<?xml version="1.0" encoding="UTF-8"?>
<interface>
  <requires lib="gtk+" version="2.16"/>
  <!-- interface-naming-policy toplevel-contextual -->
  <object class="GtkWindow" id="window1">
    <child>
      <object class="GtkTable" id="button_panel">
        <property name="visible">True</property>
        <property name="n_rows">5</property>
        <property name="n_columns">10</property>
        <property name="homogeneous">True</property>
        <child>
          <object class="GtkButton" id="calc_inverse_button">
            <property name="visible">True</property>
            <property name="can_focus">True</property>
            <property name="receives_default">True</property>
            <property name="focus_on_click">False</property>
            <child internal-child="accessible">
              <object class="AtkObject" id="calc_inverse_button-atkobject">
                <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the inverse button">Inverse</property>
              </object>
            </child>
            <signal name="clicked" handler="button_cb" swapped="no"/>
            <child>
              <object class="GtkLabel" id="label20">
                <property name="visible">True</property>
                <property name="label">&lt;i&gt;x&lt;/i&gt;&lt;sup&gt;−1&lt;/sup&gt;</property>
                <property name="use_markup">True</property>
                <property name="justify">center</property>
              </object>
            </child>
          </object>
          <packing>
            <property name="left_attach">6</property>
            <property name="right_attach">7</property>
            <property name="top_attach">2</property>
            <property name="bottom_attach">3</property>
            <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
            <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
          </packing>
        </child>
        <child>
          <object class="GtkButton" id="calc_factor_button">
            <property name="label">a×b</property>
            <property name="visible">True</property>
            <property name="can_focus">True</property>
            <property name="receives_default">True</property>
            <property name="use_underline">True</property>
            <property name="focus_on_click">False</property>
            <child internal-child="accessible">
              <object class="AtkObject" id="calc_factor_button-atkobject">
                <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the factorize button">Factorize</property>
              </object>
            </child>
            <signal name="clicked" handler="factorize_cb" swapped="no"/>
          </object>
          <packing>
            <property name="left_attach">5</property>
            <property name="right_attach">6</property>
            <property name="top_attach">4</property>
            <property name="bottom_attach">5</property>
            <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
            <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
          </packing>
        </child>
        <child>
          <object class="GtkButton" id="calc_factorial_button">
            <property name="visible">True</property>
            <property name="can_focus">True</property>
            <property name="receives_default">True</property>
            <property name="focus_on_click">False</property>
            <child internal-child="accessible">
              <object class="AtkObject" id="calc_factorial_button-atkobject">
                <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the factorial button">Factorial</property>
              </object>
            </child>
            <signal name="clicked" handler="button_cb" swapped="no"/>
            <child>
              <object class="GtkLabel" id="label14">
                <property name="visible">True</property>
                <property name="label">&lt;i&gt;x&lt;/i&gt;!</property>
                <property name="use_markup">True</property>
              </object>
            </child>
          </object>
          <packing>
            <property name="left_attach">7</property>
            <property name="right_attach">8</property>
            <property name="top_attach">2</property>
            <property name="bottom_attach">3</property>
            <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
            <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
          </packing>
        </child>
        <child>
          <object class="GtkButton" id="calc_imaginary_portion_button">
            <property name="label">Im</property>
            <property name="visible">True</property>
            <property name="can_focus">True</property>
            <property name="receives_default">True</property>
            <property name="use_underline">True</property>
            <property name="focus_on_click">False</property>
            <signal name="clicked" handler="button_cb" swapped="no"/>
          </object>
          <packing>
            <property name="left_attach">7</property>
            <property name="right_attach">8</property>
            <property name="top_attach">4</property>
            <property name="bottom_attach">5</property>
            <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
            <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
          </packing>
        </child>
        <child>
          <object class="GtkButton" id="calc_imaginary_button">
            <property name="visible">True</property>
            <property name="can_focus">True</property>
            <property name="receives_default">True</property>
            <property name="use_underline">True</property>
            <property name="focus_on_click">False</property>
            <signal name="clicked" handler="button_cb" swapped="no"/>
            <child>
              <object class="GtkLabel" id="imaginary_label">
                <property name="visible">True</property>
                <property name="label">&lt;i&gt;i&lt;/i&gt;</property>
                <property name="use_markup">True</property>
              </object>
            </child>
          </object>
          <packing>
            <property name="left_attach">2</property>
            <property name="right_attach">3</property>
            <property name="top_attach">4</property>
            <property name="bottom_attach">5</property>
            <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
            <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
          </packing>
        </child>
        <child>
          <object class="GtkButton" id="calc_4_button">
            <property name="label">4</property>
            <property name="visible">True</property>
            <property name="can_focus">True</property>
            <property name="receives_default">True</property>
            <property name="use_underline">True</property>
            <property name="focus_on_click">False</property>
            <signal name="clicked" handler="digit_cb" swapped="no"/>
          </object>
          <packing>
            <property name="top_attach">2</property>
            <property name="bottom_attach">3</property>
            <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
            <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
          </packing>
        </child>
        <child>
          <object class="GtkButton" id="calc_7_button">
            <property name="label">7</property>
            <property name="visible">True</property>
            <property name="can_focus">True</property>
            <property name="receives_default">True</property>
            <property name="use_underline">True</property>
            <property name="focus_on_click">False</property>
            <signal name="clicked" handler="digit_cb" swapped="no"/>
          </object>
          <packing>
            <property name="top_attach">1</property>
            <property name="bottom_attach">2</property>
            <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
            <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
          </packing>
        </child>
        <child>
          <object class="GtkButton" id="calc_8_button">
            <property name="label">8</property>
            <property name="visible">True</property>
            <property name="can_focus">True</property>
            <property name="receives_default">True</property>
            <property name="use_underline">True</property>
            <property name="focus_on_click">False</property>
            <signal name="clicked" handler="digit_cb" swapped="no"/>
          </object>
          <packing>
            <property name="left_attach">1</property>
            <property name="right_attach">2</property>
            <property name="top_attach">1</property>
            <property name="bottom_attach">2</property>
            <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
            <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
          </packing>
        </child>
        <child>
          <object class="GtkButton" id="calc_9_button">
            <property name="label">9</property>
            <property name="visible">True</property>
            <property name="can_focus">True</property>
            <property name="receives_default">True</property>
            <property name="use_underline">True</property>
            <property name="focus_on_click">False</property>
            <signal name="clicked" handler="digit_cb" swapped="no"/>
          </object>
          <packing>
            <property name="left_attach">2</property>
            <property name="right_attach">3</property>
            <property name="top_attach">1</property>
            <property name="bottom_attach">2</property>
            <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
            <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
          </packing>
        </child>
        <child>
          <object class="GtkButton" id="calc_5_button">
            <property name="label">5</property>
            <property name="visible">True</property>
            <property name="can_focus">True</property>
            <property name="receives_default">True</property>
            <property name="use_underline">True</property>
            <property name="focus_on_click">False</property>
            <signal name="clicked" handler="digit_cb" swapped="no"/>
          </object>
          <packing>
            <property name="left_attach">1</property>
            <property name="right_attach">2</property>
            <property name="top_attach">2</property>
            <property name="bottom_attach">3</property>
            <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
            <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
          </packing>
        </child>
        <child>
          <object class="GtkButton" id="calc_6_button">
            <property name="label">6</property>
            <property name="visible">True</property>
            <property name="can_focus">True</property>
            <property name="receives_default">True</property>
            <property name="use_underline">True</property>
            <property name="focus_on_click">False</property>
            <signal name="clicked" handler="digit_cb" swapped="no"/>
          </object>
          <packing>
            <property name="left_attach">2</property>
            <property name="right_attach">3</property>
            <property name="top_attach">2</property>
            <property name="bottom_attach">3</property>
            <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
            <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
          </packing>
        </child>
        <child>
          <object class="GtkButton" id="calc_divide_button">
            <property name="label">÷</property>
            <property name="visible">True</property>
            <property name="can_focus">True</property>
            <property name="receives_default">True</property>
            <property name="use_underline">True</property>
            <property name="focus_on_click">False</property>
            <signal name="clicked" handler="button_cb" swapped="no"/>
          </object>
          <packing>
            <property name="left_attach">3</property>
            <property name="right_attach">4</property>
            <property name="top_attach">1</property>
            <property name="bottom_attach">2</property>
            <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
            <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
          </packing>
        </child>
        <child>
          <object class="GtkButton" id="calc_1_button">
            <property name="label">1</property>
            <property name="visible">True</property>
            <property name="can_focus">True</property>
            <property name="receives_default">True</property>
            <property name="use_underline">True</property>
            <property name="focus_on_click">False</property>
            <signal name="clicked" handler="digit_cb" swapped="no"/>
          </object>
          <packing>
            <property name="top_attach">3</property>
            <property name="bottom_attach">4</property>
            <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
            <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
          </packing>
        </child>
        <child>
          <object class="GtkButton" id="calc_2_button">
            <property name="label">2</property>
            <property name="visible">True</property>
            <property name="can_focus">True</property>
            <property name="receives_default">True</property>
            <property name="use_underline">True</property>
            <property name="focus_on_click">False</property>
            <signal name="clicked" handler="digit_cb" swapped="no"/>
          </object>
          <packing>
            <property name="left_attach">1</property>
            <property name="right_attach">2</property>
            <property name="top_attach">3</property>
            <property name="bottom_attach">4</property>
            <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
            <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
          </packing>
        </child>
        <child>
          <object class="GtkButton" id="calc_0_button">
            <property name="label">0</property>
            <property name="width_request">50</property>
            <property name="visible">True</property>
            <property name="can_focus">True</property>
            <property name="receives_default">True</property>
            <property name="use_underline">True</property>
            <property name="focus_on_click">False</property>
            <signal name="clicked" handler="digit_cb" swapped="no"/>
          </object>
          <packing>
            <property name="top_attach">4</property>
            <property name="bottom_attach">5</property>
            <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
            <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
          </packing>
        </child>
        <child>
          <object class="GtkButton" id="calc_numeric_point_button">
            <property name="label" comments="Label is set in gtk.c to comply with LC flags">.</property>
            <property name="visible">True</property>
            <property name="can_focus">True</property>
            <property name="receives_default">True</property>
            <property name="use_underline">True</property>
            <property name="focus_on_click">False</property>
            <signal name="clicked" handler="numeric_point_cb" swapped="no"/>
          </object>
          <packing>
            <property name="left_attach">1</property>
            <property name="right_attach">2</property>
            <property name="top_attach">4</property>
            <property name="bottom_attach">5</property>
            <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
            <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
          </packing>
        </child>
        <child>
          <object class="GtkButton" id="calc_3_button">
            <property name="label">3</property>
            <property name="visible">True</property>
            <property name="can_focus">True</property>
            <property name="receives_default">True</property>
            <property name="use_underline">True</property>
            <property name="focus_on_click">False</property>
            <signal name="clicked" handler="digit_cb" swapped="no"/>
          </object>
          <packing>
            <property name="left_attach">2</property>
            <property name="right_attach">3</property>
            <property name="top_attach">3</property>
            <property name="bottom_attach">4</property>
            <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
            <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
          </packing>
        </child>
        <child>
          <object class="GtkButton" id="calc_multiply_button">
            <property name="label">×</property>
            <property name="visible">True</property>
            <property name="can_focus">True</property>
            <property name="receives_default">True</property>
            <property name="use_underline">True</property>
            <property name="focus_on_click">False</property>
            <signal name="clicked" handler="button_cb" swapped="no"/>
          </object>
          <packing>
            <property name="left_attach">3</property>
            <property name="right_attach">4</property>
            <property name="top_attach">2</property>
            <property name="bottom_attach">3</property>
            <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
            <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
          </packing>
        </child>
        <child>
          <object class="GtkButton" id="calc_subtract_button">
            <property name="label">−</property>
            <property name="visible">True</property>
            <property name="can_focus">True</property>
            <property name="receives_default">True</property>
            <property name="use_underline">True</property>
            <property name="focus_on_click">False</property>
            <signal name="clicked" handler="subtract_cb" swapped="no"/>
          </object>
          <packing>
            <property name="left_attach">3</property>
            <property name="right_attach">4</property>
            <property name="top_attach">3</property>
            <property name="bottom_attach">4</property>
            <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
            <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
          </packing>
        </child>
        <child>
          <object class="GtkButton" id="calc_add_button">
            <property name="label">+</property>
            <property name="visible">True</property>
            <property name="can_focus">True</property>
            <property name="receives_default">True</property>
            <property name="use_underline">True</property>
            <property name="focus_on_click">False</property>
            <signal name="clicked" handler="button_cb" swapped="no"/>
          </object>
          <packing>
            <property name="left_attach">3</property>
            <property name="right_attach">4</property>
            <property name="top_attach">4</property>
            <property name="bottom_attach">5</property>
            <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
            <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
          </packing>
        </child>
        <child>
          <object class="GtkButton" id="calc_result_button">
            <property name="label" translatable="yes" comments="Label on the solve button (clicking this solves the displayed calculation)">=</property>
            <property name="visible">True</property>
            <property name="can_focus">True</property>
            <property name="receives_default">True</property>
            <property name="use_underline">True</property>
            <property name="focus_on_click">False</property>
            <signal name="clicked" handler="solve_cb" swapped="no"/>
          </object>
          <packing>
            <property name="left_attach">4</property>
            <property name="right_attach">5</property>
            <property name="top_attach">4</property>
            <property name="bottom_attach">5</property>
            <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
            <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
          </packing>
        </child>
        <child>
          <object class="GtkButton" id="calc_clear_button">
            <property name="visible">True</property>
            <property name="can_focus">True</property>
            <property name="receives_default">True</property>
            <property name="use_underline">True</property>
            <property name="focus_on_click">False</property>
            <signal name="clicked" handler="clear_cb" swapped="no"/>
            <child>
              <object class="GtkImage" id="image1">
                <property name="visible">True</property>
                <property name="stock">gtk-clear</property>
              </object>
            </child>
          </object>
          <packing>
            <property name="left_attach">5</property>
            <property name="right_attach">6</property>
            <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
            <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
          </packing>
        </child>
        <child>
          <object class="GtkToggleButton" id="calc_subscript_button">
            <property name="visible">True</property>
            <property name="can_focus">True</property>
            <property name="receives_default">True</property>
            <property name="focus_on_click">False</property>
            <child internal-child="accessible">
              <object class="AtkObject" id="calc_subscript_button-atkobject">
                <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the subscript mode button">Subscript</property>
              </object>
            </child>
            <signal name="clicked" handler="set_subscript_cb" swapped="no"/>
            <child>
              <object class="GtkLabel" id="label4">
                <property name="visible">True</property>
                <property name="label">↓n</property>
                <property name="use_markup">True</property>
              </object>
            </child>
          </object>
          <packing>
            <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
            <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
          </packing>
        </child>
        <child>
          <object class="GtkToggleButton" id="calc_superscript_button">
            <property name="visible">True</property>
            <property name="can_focus">True</property>
            <property name="receives_default">True</property>
            <property name="focus_on_click">False</property>
            <child internal-child="accessible">
              <object class="AtkObject" id="calc_superscript_button-atkobject">
                <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the superscript mode button">Superscript</property>
              </object>
            </child>
            <signal name="clicked" handler="set_superscript_cb" swapped="no"/>
            <child>
              <object class="GtkLabel" id="label3">
                <property name="visible">True</property>
                <property name="label">↑n</property>
                <property name="use_markup">True</property>
              </object>
            </child>
          </object>
          <packing>
            <property name="left_attach">1</property>
            <property name="right_attach">2</property>
            <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
            <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
          </packing>
        </child>
        <child>
          <object class="GtkButton" id="calc_exponential_button">
            <property name="visible">True</property>
            <property name="can_focus">True</property>
            <property name="receives_default">True</property>
            <property name="use_underline">True</property>
            <property name="focus_on_click">False</property>
            <child internal-child="accessible">
              <object class="AtkObject" id="calc_exponential_button-atkobject">
                <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the scientific exponent button">Scientific Exponent</property>
              </object>
            </child>
            <signal name="clicked" handler="exponent_cb" swapped="no"/>
            <child>
              <object class="GtkLabel" id="label2">
                <property name="visible">True</property>
                <property name="label">×10&lt;sup&gt;&lt;i&gt;y&lt;/i&gt;&lt;/sup&gt;</property>
                <property name="use_markup">True</property>
              </object>
            </child>
          </object>
          <packing>
            <property name="left_attach">2</property>
            <property name="right_attach">3</property>
            <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
            <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
          </packing>
        </child>
        <child>
          <object class="GtkButton" id="calc_modulus_divide_button">
            <property name="label">mod</property>
            <property name="visible">True</property>
            <property name="can_focus">True</property>
            <property name="receives_default">True</property>
            <property name="use_underline">True</property>
            <property name="focus_on_click">False</property>
            <signal name="clicked" handler="button_cb" swapped="no"/>
          </object>
          <packing>
            <property name="left_attach">3</property>
            <property name="right_attach">4</property>
            <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
            <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
          </packing>
        </child>
        <child>
          <object class="GtkButton" id="calc_start_group_button">
            <property name="label">(</property>
            <property name="visible">True</property>
            <property name="can_focus">True</property>
            <property name="receives_default">True</property>
            <property name="use_underline">True</property>
            <property name="focus_on_click">False</property>
            <signal name="clicked" handler="button_cb" swapped="no"/>
          </object>
          <packing>
            <property name="left_attach">4</property>
            <property name="right_attach">5</property>
            <property name="top_attach">1</property>
            <property name="bottom_attach">2</property>
            <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
            <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
          </packing>
        </child>
        <child>
          <object class="GtkButton" id="calc_end_group_button">
            <property name="label">)</property>
            <property name="visible">True</property>
            <property name="can_focus">True</property>
            <property name="receives_default">True</property>
            <property name="use_underline">True</property>
            <property name="focus_on_click">False</property>
            <signal name="clicked" handler="button_cb" swapped="no"/>
          </object>
          <packing>
            <property name="left_attach">5</property>
            <property name="right_attach">6</property>
            <property name="top_attach">1</property>
            <property name="bottom_attach">2</property>
            <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
            <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
          </packing>
        </child>
        <child>
          <object class="GtkButton" id="calc_memory_button">
            <property name="visible">True</property>
            <property name="can_focus">True</property>
            <property name="receives_default">True</property>
            <property name="focus_on_click">False</property>
            <child internal-child="accessible">
              <object class="AtkObject" id="calc_memory_button-atkobject">
                <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the memory button">Memory</property>
              </object>
            </child>
            <signal name="clicked" handler="memory_cb" swapped="no"/>
            <child>
              <object class="GtkHBox" id="hbox20">
                <property name="visible">True</property>
                <child>
                  <object class="GtkLabel" id="label23">
                    <property name="visible">True</property>
                    <property name="label" translatable="yes" comments="The label on the memory button">&lt;i&gt;x&lt;/i&gt;</property>
                    <property name="use_markup">True</property>
                  </object>
                  <packing>
                    <property name="position">0</property>
                  </packing>
                </child>
                <child>
                  <object class="GtkArrow" id="arrow14">
                    <property name="visible">True</property>
                    <property name="arrow_type">down</property>
                  </object>
                  <packing>
                    <property name="expand">False</property>
                    <property name="position">1</property>
                  </packing>
                </child>
              </object>
            </child>
          </object>
          <packing>
            <property name="left_attach">4</property>
            <property name="right_attach">6</property>
            <property name="top_attach">2</property>
            <property name="bottom_attach">3</property>
            <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
            <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
          </packing>
        </child>
        <child>
          <object class="GtkButton" id="calc_abs_button">
            <property name="visible">True</property>
            <property name="can_focus">True</property>
            <property name="receives_default">True</property>
            <property name="use_underline">True</property>
            <property name="focus_on_click">False</property>
            <child internal-child="accessible">
              <object class="AtkObject" id="calc_abs_button-atkobject">
                <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the absolute value button">Absolute Value</property>
              </object>
            </child>
            <signal name="clicked" handler="button_cb" swapped="no"/>
            <child>
              <object class="GtkLabel" id="label1">
                <property name="visible">True</property>
                <property name="label">|&lt;i&gt;x&lt;/i&gt;|</property>
                <property name="use_markup">True</property>
              </object>
            </child>
          </object>
          <packing>
            <property name="left_attach">8</property>
            <property name="right_attach">9</property>
            <property name="top_attach">2</property>
            <property name="bottom_attach">3</property>
            <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
            <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
          </packing>
        </child>
        <child>
          <object class="GtkButton" id="calc_real_portion_button">
            <property name="label">Re</property>
            <property name="visible">True</property>
            <property name="can_focus">True</property>
            <property name="receives_default">True</property>
            <property name="use_underline">True</property>
            <property name="focus_on_click">False</property>
            <signal name="clicked" handler="button_cb" swapped="no"/>
          </object>
          <packing>
            <property name="left_attach">6</property>
            <property name="right_attach">7</property>
            <property name="top_attach">4</property>
            <property name="bottom_attach">5</property>
            <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
            <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
          </packing>
        </child>
        <child>
          <object class="GtkButton" id="calc_conjugate_button">
            <property name="label">conj</property>
            <property name="visible">True</property>
            <property name="can_focus">True</property>
            <property name="receives_default">True</property>
            <property name="use_underline">True</property>
            <property name="focus_on_click">False</property>
            <signal name="clicked" handler="button_cb" swapped="no"/>
          </object>
          <packing>
            <property name="left_attach">8</property>
            <property name="right_attach">9</property>
            <property name="top_attach">4</property>
            <property name="bottom_attach">5</property>
            <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
            <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
          </packing>
        </child>
        <child>
          <object class="GtkButton" id="calc_arg_button">
            <property name="label">Arg</property>
            <property name="visible">True</property>
            <property name="can_focus">True</property>
            <property name="receives_default">True</property>
            <property name="use_underline">True</property>
            <property name="focus_on_click">False</property>
            <signal name="clicked" handler="button_cb" swapped="no"/>
          </object>
          <packing>
            <property name="left_attach">9</property>
            <property name="right_attach">10</property>
            <property name="top_attach">2</property>
            <property name="bottom_attach">3</property>
            <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
            <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
          </packing>
        </child>
        <child>
          <object class="GtkButton" id="calc_natural_logarithm_button">
            <property name="label">ln</property>
            <property name="visible">True</property>
            <property name="can_focus">True</property>
            <property name="receives_default">True</property>
            <property name="use_underline">True</property>
            <property name="focus_on_click">False</property>
            <signal name="clicked" handler="button_cb" swapped="no"/>
          </object>
          <packing>
            <property name="left_attach">9</property>
            <property name="right_attach">10</property>
            <property name="top_attach">3</property>
            <property name="bottom_attach">4</property>
            <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
            <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
          </packing>
        </child>
        <child>
          <object class="GtkButton" id="calc_logarithm_button">
            <property name="label">log</property>
            <property name="visible">True</property>
            <property name="can_focus">True</property>
            <property name="receives_default">True</property>
            <property name="focus_on_click">False</property>
            <signal name="clicked" handler="button_cb" swapped="no"/>
          </object>
          <packing>
            <property name="left_attach">8</property>
            <property name="right_attach">9</property>
            <property name="top_attach">3</property>
            <property name="bottom_attach">4</property>
            <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
            <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
          </packing>
        </child>
        <child>
          <object class="GtkButton" id="calc_x_pow_y_button">
            <property name="visible">True</property>
            <property name="can_focus">True</property>
            <property name="receives_default">True</property>
            <property name="focus_on_click">False</property>
            <child internal-child="accessible">
              <object class="AtkObject" id="calc_x_pow_y_button-atkobject">
                <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the exponentiation (x to the power of y) button">Exponent</property>
              </object>
            </child>
            <signal name="clicked" handler="button_cb" swapped="no"/>
            <child>
              <object class="GtkLabel" id="x_pow_y_label">
                <property name="visible">True</property>
                <property name="label">&lt;i&gt;x&lt;/i&gt;&lt;sup&gt;&lt;i&gt;y&lt;/i&gt;&lt;/sup&gt;</property>
                <property name="use_markup">True</property>
              </object>
            </child>
          </object>
          <packing>
            <property name="left_attach">6</property>
            <property name="right_attach">7</property>
            <property name="top_attach">3</property>
            <property name="bottom_attach">4</property>
            <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
            <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
          </packing>
        </child>
        <child>
          <object class="GtkButton" id="calc_root_button">
            <property name="label">√</property>
            <property name="visible">True</property>
            <property name="can_focus">True</property>
            <property name="receives_default">True</property>
            <property name="use_underline">True</property>
            <property name="focus_on_click">False</property>
            <signal name="clicked" handler="button_cb" swapped="no"/>
          </object>
          <packing>
            <property name="left_attach">7</property>
            <property name="right_attach">8</property>
            <property name="top_attach">3</property>
            <property name="bottom_attach">4</property>
            <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
            <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
          </packing>
        </child>
        <child>
          <object class="GtkButton" id="calc_undo_button">
            <property name="visible">True</property>
            <property name="can_focus">True</property>
            <property name="receives_default">True</property>
            <property name="use_underline">True</property>
            <property name="focus_on_click">False</property>
            <signal name="clicked" handler="undo_cb" swapped="no"/>
            <child>
              <object class="GtkImage" id="image2">
                <property name="visible">True</property>
                <property name="stock">gtk-undo</property>
              </object>
            </child>
          </object>
          <packing>
            <property name="left_attach">4</property>
            <property name="right_attach">5</property>
            <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
            <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
          </packing>
        </child>
        <child>
          <object class="GtkButton" id="calc_pi_button">
            <property name="visible">True</property>
            <property name="can_focus">True</property>
            <property name="receives_default">True</property>
            <property name="use_underline">True</property>
            <property name="focus_on_click">False</property>
            <signal name="clicked" handler="button_cb" swapped="no"/>
            <child>
              <object class="GtkLabel" id="pi_label">
                <property name="visible">True</property>
                <property name="label">π</property>
                <property name="use_markup">True</property>
              </object>
            </child>
          </object>
          <packing>
            <property name="left_attach">4</property>
            <property name="right_attach">5</property>
            <property name="top_attach">3</property>
            <property name="bottom_attach">4</property>
            <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
            <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
          </packing>
        </child>
        <child>
          <object class="GtkButton" id="calc_eulers_number_button">
            <property name="visible">True</property>
            <property name="can_focus">True</property>
            <property name="receives_default">True</property>
            <property name="use_underline">True</property>
            <property name="focus_on_click">False</property>
            <signal name="clicked" handler="button_cb" swapped="no"/>
            <child>
              <object class="GtkLabel" id="eulers_number_label">
                <property name="visible">True</property>
                <property name="label">&lt;i&gt;e&lt;/i&gt;</property>
                <property name="use_markup">True</property>
              </object>
            </child>
          </object>
          <packing>
            <property name="left_attach">5</property>
            <property name="right_attach">6</property>
            <property name="top_attach">3</property>
            <property name="bottom_attach">4</property>
            <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
            <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
          </packing>
        </child>
        <child>
          <object class="GtkTable" id="table1">
            <property name="visible">True</property>
            <property name="n_rows">2</property>
            <property name="n_columns">3</property>
            <property name="homogeneous">True</property>
            <child>
              <object class="GtkButton" id="calc_cosine_button">
                <property name="label">cos</property>
                <property name="visible">True</property>
                <property name="can_focus">True</property>
                <property name="receives_default">True</property>
                <property name="focus_on_click">False</property>
                <signal name="clicked" handler="button_cb" swapped="no"/>
              </object>
              <packing>
                <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
                <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
              </packing>
            </child>
            <child>
              <object class="GtkButton" id="calc_sine_button">
                <property name="label">sin</property>
                <property name="visible">True</property>
                <property name="can_focus">True</property>
                <property name="receives_default">True</property>
                <property name="focus_on_click">False</property>
                <signal name="clicked" handler="button_cb" swapped="no"/>
              </object>
              <packing>
                <property name="left_attach">1</property>
                <property name="right_attach">2</property>
                <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
                <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
              </packing>
            </child>
            <child>
              <object class="GtkButton" id="calc_tangent_button">
                <property name="label">tan</property>
                <property name="visible">True</property>
                <property name="can_focus">True</property>
                <property name="receives_default">True</property>
                <property name="focus_on_click">False</property>
                <signal name="clicked" handler="button_cb" swapped="no"/>
              </object>
              <packing>
                <property name="left_attach">2</property>
                <property name="right_attach">3</property>
                <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
                <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
              </packing>
            </child>
            <child>
              <object class="GtkButton" id="calc_hyperbolic_cosine_button">
                <property name="label">cosh</property>
                <property name="visible">True</property>
                <property name="can_focus">True</property>
                <property name="receives_default">True</property>
                <property name="focus_on_click">False</property>
                <signal name="clicked" handler="button_cb" swapped="no"/>
              </object>
              <packing>
                <property name="top_attach">1</property>
                <property name="bottom_attach">2</property>
                <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
                <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
              </packing>
            </child>
            <child>
              <object class="GtkButton" id="calc_hyperbolic_sine_button">
                <property name="label">sinh</property>
                <property name="visible">True</property>
                <property name="can_focus">True</property>
                <property name="receives_default">True</property>
                <property name="focus_on_click">False</property>
                <signal name="clicked" handler="button_cb" swapped="no"/>
              </object>
              <packing>
                <property name="left_attach">1</property>
                <property name="right_attach">2</property>
                <property name="top_attach">1</property>
                <property name="bottom_attach">2</property>
                <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
                <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
              </packing>
            </child>
            <child>
              <object class="GtkButton" id="calc_hyperbolic_tangent_button">
                <property name="label">tanh</property>
                <property name="visible">True</property>
                <property name="can_focus">True</property>
                <property name="receives_default">True</property>
                <property name="focus_on_click">False</property>
                <signal name="clicked" handler="button_cb" swapped="no"/>
              </object>
              <packing>
                <property name="left_attach">2</property>
                <property name="right_attach">3</property>
                <property name="top_attach">1</property>
                <property name="bottom_attach">2</property>
                <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
                <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
              </packing>
            </child>
          </object>
          <packing>
            <property name="left_attach">6</property>
            <property name="right_attach">10</property>
            <property name="bottom_attach">2</property>
          </packing>
        </child>
        <child>
          <object class="GtkButton" id="calc_function_button">
            <property name="visible">True</property>
            <property name="can_focus">True</property>
            <property name="receives_default">True</property>
            <property name="focus_on_click">False</property>
            <child internal-child="accessible">
              <object class="AtkObject" id="calc_function_button-atkobject">
                <property name="AtkObject::accessible-name" translatable="yes" comments="Accessible name for the store value button">Store</property>
              </object>
            </child>
            <signal name="clicked" handler="function_cb" swapped="no"/>
            <child>
              <object class="GtkHBox" id="hbox2">
                <property name="visible">True</property>
                <child>
                  <object class="GtkLabel" id="label5">
                    <property name="visible">True</property>
                    <property name="label">f(x)</property>
                  </object>
                  <packing>
                    <property name="position">0</property>
                  </packing>
                </child>
                <child>
                  <object class="GtkArrow" id="arrow1">
                    <property name="visible">True</property>
                    <property name="arrow_type">down</property>
                  </object>
                  <packing>
                    <property name="expand">False</property>
                    <property name="position">1</property>
                  </packing>
                </child>
              </object>
            </child>
          </object>
          <packing>
            <property name="left_attach">9</property>
            <property name="right_attach">10</property>
            <property name="top_attach">4</property>
            <property name="bottom_attach">5</property>
            <property name="x_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
            <property name="y_options">GTK_EXPAND | GTK_SHRINK | GTK_FILL</property>
          </packing>
        </child>
      </object>
    </child>
  </object>
</interface>
