math-suite/Source/Calculator/MainWindow.xaml

<Window x:Class="Calculator.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="Calculator" Height="330" Width="555"
        MinHeight="290" MinWidth="455"
        MaxHeight="360" MaxWidth="700"
        WindowStyle="SingleBorderWindow" KeyDown="Window_KeyDown" 
        Icon="/Calculator;component/Images/calculator-logo.png">

    <Window.Resources>
        <ResourceDictionary>
            <ResourceDictionary.MergedDictionaries>
                <ResourceDictionary>
                    <Style x:Key="Calc2ndF" TargetType="{x:Type TextBlock}">
                        <Setter Property="Margin" Value="0,2,0,0" />
                        <Setter Property="HorizontalAlignment" Value="Center"/>
                        <Setter Property="Foreground" Value="Gray" />
                    </Style>

                </ResourceDictionary>

                <ResourceDictionary Source="Styles\Buttons.xaml" />
                <ResourceDictionary Source="Styles\Display.xaml" />

            </ResourceDictionary.MergedDictionaries>
        </ResourceDictionary>
    </Window.Resources>

    <Window.Background>
        <RadialGradientBrush GradientOrigin=".5, 1"
                Center=".5, .6">
            <GradientStop Color="#606060" Offset="0" />
            <GradientStop Color="#333" Offset="1" />
        </RadialGradientBrush>
    </Window.Background>

    <Grid Margin="2">
        <Grid.RowDefinitions>
            <RowDefinition Tag="Input" Height="Auto" />
            <RowDefinition Tag="Mods" Height="Auto" />
            <RowDefinition Tag="Secondf" Height="Auto" />
            <RowDefinition Tag="Buttons" />
            <RowDefinition Tag="Secondf" Height="Auto" />
            <RowDefinition Tag="Buttons" />
            <RowDefinition Tag="Secondf" Height="Auto" />
            <RowDefinition Tag="Buttons" />
            <RowDefinition Tag="Secondf" Height="Auto" />
            <RowDefinition Tag="Buttons" />
            <RowDefinition Tag="Secondf" Height="Auto" />
            <RowDefinition Tag="Buttons" />
        </Grid.RowDefinitions>
        <Grid.ColumnDefinitions>
            <ColumnDefinition />
            <ColumnDefinition />
            <ColumnDefinition />
            <ColumnDefinition />
            <ColumnDefinition Width="10" Tag="Separator"/>
            <ColumnDefinition />
            <ColumnDefinition />
            <ColumnDefinition />
            <ColumnDefinition />
            <ColumnDefinition />
            <ColumnDefinition />
        </Grid.ColumnDefinitions>

        <!-- Menu strip -->
        <!-- Display -->
        <TextBox Name="Display" Grid.Column="0" 
                 Grid.ColumnSpan="100"
                 Height="44" Text="0"
                 Focusable="False"
                 Style="{StaticResource DisplayStyle}" />

        <StackPanel HorizontalAlignment="Left" Width="30"
                    Margin="2">
            <Border Style="{StaticResource DisplayIndicatorStyle}" Margin="1"
                    Name="Indicator2ndf">
                <TextBlock HorizontalAlignment="Center" Foreground="#555" FontSize="9">2ndf</TextBlock>
            </Border>
            <Border Style="{StaticResource DisplayIndicatorStyle}" Margin="1,0,1,1"
                    Name="IndicatorMem">
                <TextBlock HorizontalAlignment="Center" Foreground="#555" FontSize="9">Mem</TextBlock>
            </Border>
            <Border Style="{StaticResource DisplayIndicatorStyle}" Margin="1,0,1,1"
                    Name="IndicatorError">
                <TextBlock HorizontalAlignment="Center" Foreground="#555" FontSize="9">Error</TextBlock>
            </Border>
        </StackPanel>

        <!-- Column 1 (scientific) functionality -->
        <Button Name="B2ndf" MouseUp="Button_MouseUp" Click="Button_Click"
                Grid.Row="3" Grid.Column="0" 
                ToolTip="Activates second function.">2ndf
        </Button>

        <TextBlock Grid.Row="4" Grid.Column="0" 
                   Style="{StaticResource Calc2ndF}">{x}</TextBlock>
        <Button Name="BInt" MouseUp="Button_MouseUp" Click="Button_Click" 
                Grid.Row="5" Grid.Column="0"
                ToolTip="Integral portion&#x0a;2ndf: Fractional portion">[x]</Button>

        <TextBlock Grid.Row="6" Grid.Column="0" 
                   Style="{StaticResource Calc2ndF}">arcsin</TextBlock>
        <Button Name="BSin" MouseUp="Button_MouseUp" Click="Button_Click"
                Grid.Row="7" Grid.Column="0"
                ToolTip="Sine&#x0a;2ndf: arcsin">sin</Button>

        <TextBlock Grid.Row="8" Grid.Column="0" 
                   Style="{StaticResource Calc2ndF}">arcsinh</TextBlock>
        <Button Name="BSinh" MouseUp="Button_MouseUp" Click="Button_Click" 
                Grid.Row="9" Grid.Column="0"
                ToolTip="Hyperbolic sine&#x0a;2ndf: Hyperbolic arcsin">sinh</Button>

        <TextBlock Grid.Row="10" Grid.Column="0" 
                   Style="{StaticResource Calc2ndF}">2π</TextBlock>
        <Button Name="BPi" MouseUp="Button_MouseUp" Click="Button_Click"
                Grid.Row="11" Grid.Column="0"
                ToolTip="Pi constant&#x0a;2ndf: 2Pi constant">π</Button>


        <!-- Column 2 (scientific) functionality -->
        <TextBlock Grid.Row="2" Grid.Column="1" 
                   Style="{StaticResource Calc2ndF}">eⁿ</TextBlock>
        <Button Name="BLn" MouseUp="Button_MouseUp" Click="Button_Click" 
                Grid.Row="3" Grid.Column="1"
                ToolTip="Natural logarithm&#x0a;2ndf: e at nth power">ln</Button>

        <TextBlock Grid.Row="4" Grid.Column="1" 
                   Style="{StaticResource Calc2ndF}">-Abs</TextBlock>
        <Button Name="BAbs" MouseUp="Button_MouseUp" Click="Button_Click"
                Grid.Row="5" Grid.Column="1"
                ToolTip="Absolute&#x0a;2ndf: Reverse absolute">Abs</Button>

        <TextBlock Grid.Row="6" Grid.Column="1" 
                   Style="{StaticResource Calc2ndF}">arccos</TextBlock>
        <Button Name="BCos" MouseUp="Button_MouseUp" Click="Button_Click"
                Grid.Row="7" Grid.Column="1"
                ToolTip="Cosine&#x0a;2ndf: arccos">cos</Button>

        <TextBlock Grid.Row="8" Grid.Column="1" 
                   Style="{StaticResource Calc2ndF}">arccosh</TextBlock>
        <Button Name="BCosh" MouseUp="Button_MouseUp" Click="Button_Click" 
                Grid.Row="9" Grid.Column="1"
                ToolTip="Hyperbolic cosine&#x0a;2ndf: Hyperbolic arccos">cosh</Button>

        <Button Name="BE" MouseUp="Button_MouseUp" Click="Button_Click" 
                Grid.Row="11" Grid.Column="1"
                ToolTip="e constant">e</Button>


        <!-- Column 3 (scientific) functionality -->
        <TextBlock Grid.Row="2" Grid.Column="2" 
                   Style="{StaticResource Calc2ndF}">10ⁿ</TextBlock>
        <Button Name="BLog" MouseUp="Button_MouseUp" Click="Button_Click" 
                Grid.Row="3" Grid.Column="2"
                ToolTip="Decimal logarithm&#x0a;2ndf: 10 at nth power">log</Button>

        <Button Name="BInverse" MouseUp="Button_MouseUp" Click="Button_Click" 
                Grid.Row="5" Grid.Column="2"
                ToolTip="Inverse">1/x</Button>

        <TextBlock Grid.Row="6" Grid.Column="2" 
                   Style="{StaticResource Calc2ndF}">arctan</TextBlock>
        <Button Name="BTan" MouseUp="Button_MouseUp" Click="Button_Click" 
                Grid.Row="7" Grid.Column="2"
                ToolTip="Tangent&#x0a;2ndf: arctan">tan</Button>

        <TextBlock Grid.Row="8" Grid.Column="2" 
                   Style="{StaticResource Calc2ndF}">arctanh</TextBlock>
        <Button Name="BTanh" MouseUp="Button_MouseUp" Click="Button_Click"
                Grid.Row="9" Grid.Column="2"
                ToolTip="Hyperbolic tangent&#x0a;2ndf: Hyperbolic arctan">tanh</Button>

        <TextBlock Grid.Row="10" Grid.Column="2" 
                   Style="{StaticResource Calc2ndF}">xPy</TextBlock>
        <Button Name="BCombinations" MouseUp="Button_MouseUp" Click="Button_Click"
                Grid.Row="11" Grid.Column="2"
                ToolTip="Combinations of y items from x&#x0a;2ndf: Permutations of y items from x">xCy</Button>


        <!-- Column 4 (scientific) functionality -->
        <Button Name="BLogn" MouseUp="Button_MouseUp" Click="Button_Click" 
                Grid.Row="3" Grid.Column="3"
                ToolTip="Logarithm with base n">
            <TextBlock>log<Run BaselineAlignment="Subscript">n</Run> x</TextBlock>
        </Button>

        <TextBlock Grid.Row="4" Grid.Column="3" 
                   Style="{StaticResource Calc2ndF}">ⁿ√x</TextBlock>
        <Button Name="BPown" MouseUp="Button_MouseUp" Click="Button_Click" 
                Grid.Row="5" Grid.Column="3"
                ToolTip="nth power&#x0a;2ndf: nth root">xⁿ</Button>

        <TextBlock Grid.Row="6" Grid.Column="3"
                   Style="{StaticResource Calc2ndF}">√x</TextBlock>
        <Button Name="BSquare" MouseUp="Button_MouseUp" Click="Button_Click"
                Grid.Row="7" Grid.Column="3"
                ToolTip="Square&#x0a;2ndf: Square root">x²</Button>

        <TextBlock Grid.Row="8" Grid.Column="3" 
                   Style="{StaticResource Calc2ndF}">∛x</TextBlock>
        <Button Name="BCube" MouseUp="Button_MouseUp" Click="Button_Click"
                Grid.Row="9" Grid.Column="3"
                ToolTip="Cube&#x0a;2ndf: Cube root">x³</Button>

        <Button Name="BFact" MouseUp="Button_MouseUp" Click="Button_Click" 
                Grid.Row="11" Grid.Column="3"
                ToolTip="Factorial">x!</Button>


        <!-- Column 5 (Memory ops) -->
        <TextBlock Grid.Row="2" Grid.Column="5" Style="{StaticResource Calc2ndF}">Add</TextBlock>
        <Button Name="BMemAdd" MouseUp="Button_MouseUp" Click="Button_Click"
                Grid.Row="3" Grid.Column="5"
                ToolTip="Adds to memory">M+</Button>

        <TextBlock Grid.Row="4" Grid.Column="5" Style="{StaticResource Calc2ndF}">Subtract</TextBlock>
        <Button Name="BMemSub" MouseUp="Button_MouseUp" Click="Button_Click"
                Grid.Row="5" Grid.Column="5"
                ToolTip="Subtracts from memory">M-</Button>

        <TextBlock Grid.Row="6" Grid.Column="5" Style="{StaticResource Calc2ndF}">Clear</TextBlock>
        <Button Name="BMemClear" MouseUp="Button_MouseUp" Click="Button_Click"
                Grid.Row="7" Grid.Column="5"
                ToolTip="Clears the memory">MC</Button>

        <TextBlock Grid.Row="8" Grid.Column="5" Style="{StaticResource Calc2ndF}">Set</TextBlock>
        <Button Name="BMemSet" MouseUp="Button_MouseUp" Click="Button_Click"
                Grid.Row="9" Grid.Column="5"
                ToolTip="Replace the memory content">MS</Button>

        <TextBlock Grid.Row="10" Grid.Column="5" Style="{StaticResource Calc2ndF}">Recall</TextBlock>
        <Button Name="BMemRecall" MouseUp="Button_MouseUp" Click="Button_Click" 
                Grid.Row="11" Grid.Column="5"
                ToolTip="Displays number from memory">MR</Button>


        <!-- Column 6 (Numbers) -->
        <Button Name="BNum7" MouseUp="Button_MouseUp" Click="Button_Click" 
                Grid.Row="4" Grid.Column="6" Grid.RowSpan="2" 
                Style="{StaticResource BigButton}">7</Button>
        <Button Name="BNum4" MouseUp="Button_MouseUp" Click="Button_Click" 
                Grid.Row="6" Grid.Column="6" Grid.RowSpan="2" 
                Style="{StaticResource BigButton}">4</Button>
        <Button Name="BNum1" MouseUp="Button_MouseUp" Click="Button_Click"
                Grid.Row="8" Grid.Column="6" Grid.RowSpan="2" 
                Style="{StaticResource BigButton}">1</Button>
        <Button Name="BNum0" MouseUp="Button_MouseUp" Click="Button_Click"
                Grid.Row="10" Grid.Column="6" Grid.RowSpan="2" Grid.ColumnSpan="2" 
                Style="{StaticResource BigButton}">0</Button>

        <!-- Column 7 (Numbers) -->
        <Button Name="BHelp" Grid.Row="3" Grid.Column="7"
                Margin="6,4,6,4"
                Style="{StaticResource BigButton}"
                FontSize="11" Click="BHelp_Click"
                ToolTip="Get help using the application. (Keyboard shortcut: F1)">Help</Button>

        <Button Name="BNum8" MouseUp="Button_MouseUp" Click="Button_Click"
                Grid.Row="4" Grid.Column="7" Grid.RowSpan="2" 
                Style="{StaticResource BigButton}">8</Button>
        <Button Name="BNum5" MouseUp="Button_MouseUp" Click="Button_Click" 
                Grid.Row="6" Grid.Column="7" Grid.RowSpan="2" 
                Style="{StaticResource BigButton}">5</Button>
        <Button Name="BNum2" MouseUp="Button_MouseUp" Click="Button_Click"
                Grid.Row="8" Grid.Column="7" Grid.RowSpan="2" 
                Style="{StaticResource BigButton}">2</Button>

        <!-- Column 8 (Numbers) -->
        <Button Name="BBackspace" MouseUp="Button_MouseUp" Click="Button_Click"
                Grid.Row="3" Grid.Column="8"
                ToolTip="Backspace" >Back</Button>
        <Button Name="BNum9" MouseUp="Button_MouseUp" Click="Button_Click" Grid.Row="4" Grid.RowSpan="2" Grid.Column="8" Style="{StaticResource BigButton}">9</Button>
        <Button Name="BNum6" MouseUp="Button_MouseUp" Click="Button_Click" Grid.Row="6" Grid.RowSpan="2" Grid.Column="8" Style="{StaticResource BigButton}">6</Button>
        <Button Name="BNum3" MouseUp="Button_MouseUp" Click="Button_Click" Grid.Row="8" Grid.RowSpan="2" Grid.Column="8" Style="{StaticResource BigButton}">3</Button>
        <Button Name="BPeriod" MouseUp="Button_MouseUp" Click="Button_Click" Grid.Row="10" Grid.RowSpan="2" Grid.Column="8" Style="{StaticResource BigButton}">.</Button>

        <!-- Column 9 (Operations) -->
        <Button Name="BClear" MouseUp="Button_MouseUp" Click="Button_Click"
                Grid.Row="3" Grid.Column="9"
                ToolTip="Clears the current number">Clear</Button>

        <Button Name="BOpDivide" MouseUp="Button_MouseUp" Click="Button_Click" Grid.Row="4" Grid.RowSpan="2" Grid.Column="9" Style="{StaticResource BigButton}">/</Button>
        <Button Name="BOpMultiply" MouseUp="Button_MouseUp" Click="Button_Click" Grid.Row="6" Grid.RowSpan="2" Grid.Column="9" Style="{StaticResource BigButton}">*</Button>
        <Button Name="BOpSub" MouseUp="Button_MouseUp" Click="Button_Click" Grid.Row="8" Grid.RowSpan="2" Grid.Column="9" Style="{StaticResource BigButton}">-</Button>
        <Button Name="BOpAdd" MouseUp="Button_MouseUp" Click="Button_Click" Grid.Row="10" Grid.RowSpan="2" Grid.Column="9" Style="{StaticResource BigButton}">+</Button>

        <!-- Column 10 (Operations) -->
        <Button Name="BClearAC" MouseUp="Button_MouseUp" Click="Button_Click"
                Grid.Row="3" Grid.Column="10" 
                ToolTip="Clears the entire calculation">AC</Button>

        <Button Name="BOpMod" MouseUp="Button_MouseUp" Click="Button_Click" Grid.Row="4" Grid.RowSpan="2" Grid.Column="10" Style="{StaticResource BigButton}">MOD</Button>
        <Button Name="BOpSign" MouseUp="Button_MouseUp" Click="Button_Click" Grid.Row="6" Grid.RowSpan="2" Grid.Column="10" Style="{StaticResource BigButton}">±</Button>
        <Button Name="BEqual" MouseUp="Button_MouseUp" Click="Button_Click" Grid.Row="8" Grid.Column="10" Grid.RowSpan="4" Style="{StaticResource BigButton}">=</Button>

    </Grid>
</Window>