\subsection{Calculator}
\screenshot{plugins/images/ss-calculator}{Calculator}{img:calculator}

This is a simple scientific calculator for use on the \dap. It works like a
standard calculator. Pressing the ``1st'' and ``2nd'' buttons will toggle between
 other available math functions.

\begin{btnmap}
    \opt{IRIVER_H100_PAD,IRIVER_H300_PAD,IPOD_4G_PAD%
      ,IPOD_3G_PAD,IAUDIO_X5_PAD,SANSA_E200_PAD,SANSA_C200_PAD,SANSA_CLIP_PAD,GIGABEAT_PAD%
      ,GIGABEAT_S_PAD,MROBE100_PAD,IRIVER_H10_PAD,SANSA_FUZE_PAD,PBELL_VIBE500_PAD%
      ,SANSA_FUZEPLUS_PAD,SAMSUNG_YH92X_PAD,SAMSUNG_YH820_PAD,RG_NANO_PAD}
      {\ButtonLeft{} / \ButtonRight{} /}
    \opt{IRIVER_H100_PAD,IRIVER_H300_PAD,IAUDIO_X5_PAD%
      ,SANSA_E200_PAD,SANSA_C200_PAD,SANSA_CLIP_PAD,GIGABEAT_PAD,GIGABEAT_S_PAD,MROBE100_PAD%
      ,SANSA_FUZE_PAD,PBELL_VIBE500_PAD,SANSA_FUZEPLUS_PAD,SAMSUNG_YH92X_PAD,SAMSUNG_YH820_PAD%
      ,RG_NANO_PAD}
      {\ButtonUp{} / \ButtonDown}
    \opt{SANSA_E200_PAD,SANSA_FUZE_PAD}{/}
    \opt{scrollwheel}{\ButtonScrollFwd{} / \ButtonScrollBack}
    \opt{IRIVER_H10_PAD}{\ButtonScrollUp{} / \ButtonScrollDown}
    \opt{MPIO_HD300_PAD}{\ButtonRew / \ButtonFF / \ButtonScrollUp / \ButtonScrollDown}
    \opt{MPIO_HD200_PAD}{\ButtonRew / \ButtonFF}
    \opt{COWON_D2_PAD}{\TouchMidLeft{} / \TouchMidRight / \TouchTopMiddle / \TouchBottomMiddle}
       \opt{HAVEREMOTEKEYMAP}{& }
    & Move around the keypad\\
    %
    \opt{IRIVER_H100_PAD,IRIVER_H300_PAD,IPOD_4G_PAD,IPOD_3G_PAD,IAUDIO_X5_PAD%
        ,SANSA_E200_PAD,SANSA_C200_PAD,SANSA_CLIP_PAD,GIGABEAT_PAD,GIGABEAT_S_PAD,MROBE100_PAD%
        ,SANSA_FUZE_PAD,SANSA_FUZEPLUS_PAD}
        {\ButtonSelect}
    \opt{IRIVER_H10_PAD,SAMSUNG_YH92X_PAD,SAMSUNG_YH820_PAD}{\ButtonPlay}
    \opt{COWON_D2_PAD}{\TouchCenter}
    \opt{PBELL_VIBE500_PAD}{\ButtonOK}
    \opt{MPIO_HD200_PAD}{\ButtonFunc}
    \opt{MPIO_HD300_PAD}{\ButtonEnter}
       \opt{HAVEREMOTEKEYMAP}{& }
    \opt{RG_NANO_PAD}{\ButtonA}
    & Select a button\\
    %
    \nopt{IPOD_4G_PAD,IPOD_3G_PAD}{
        \opt{IRIVER_H100_PAD,IRIVER_H300_PAD,IAUDIO_X5_PAD,SANSA_E200_PAD%
            ,SANSA_C200_PAD,MPIO_HD200_PAD}{\ButtonRec}
        \opt{SANSA_CLIP_PAD,SANSA_FUZE_PAD}{\ButtonHome}
        \opt{IRIVER_H10_PAD,SAMSUNG_YH92X_PAD,SAMSUNG_YH820_PAD}{\ButtonRew}
        \opt{GIGABEAT_PAD}{\ButtonA}
        \opt{GIGABEAT_S_PAD}{\ButtonPlay}
        \opt{MROBE100_PAD}{\ButtonDisplay}
        \opt{COWON_D2_PAD,MPIO_HD300_PAD}{\ButtonMenu}
        \opt{PBELL_VIBE500_PAD}{\ButtonCancel}
        \opt{SANSA_FUZEPLUS_PAD}{\ButtonBack}
       \opt{HAVEREMOTEKEYMAP}{& }
       \opt{RG_NANO_PAD}{\ButtonB}
        & Delete last entered digit or clear after calculation\\
        %
    }
    \opt{IRIVER_H100_PAD,IRIVER_H300_PAD,SAMSUNG_YH820_PAD}{
        \opt{IRIVER_H100_PAD,IRIVER_H300_PAD}{\ButtonMode}
        \opt{SAMSUNG_YH820_PAD}{\ButtonRec}
       \opt{HAVEREMOTEKEYMAP}{& }
        & Cycle through the 4 basic operators\\
        %
    }
    \opt{IRIVER_H100_PAD,IRIVER_H300_PAD}{\ButtonOn}
    \opt{IPOD_4G_PAD,IPOD_3G_PAD,IRIVER_H10_PAD,IAUDIO_X5_PAD,IRIVER_H10_PAD
        ,PBELL_VIBE500_PAD,MPIO_HD200_PAD,MPIO_HD300_PAD,SANSA_FUZEPLUS_PAD}
        {\ButtonPlay}
    \opt{SANSA_E200_PAD,SANSA_C200_PAD,SANSA_CLIP_PAD,SANSA_FUZE_PAD}{Long \ButtonSelect}
    \opt{GIGABEAT_PAD,GIGABEAT_S_PAD,MROBE100_PAD}{\ButtonMenu}
    \opt{COWON_D2_PAD}{\TouchBottomRight}
    \opt{SAMSUNG_YH92X_PAD,SAMSUNG_YH820_PAD}{\ButtonFF}
       \opt{HAVEREMOTEKEYMAP}{& }
    \opt{RG_NANO_PAD}{\ButtonX}
    & Calculate\\
    %
    \opt{IRIVER_H100_PAD,IRIVER_H300_PAD}{\ButtonOff}
    \opt{IPOD_4G_PAD,IPOD_3G_PAD}{\ButtonMenu}
    \opt{IAUDIO_X5_PAD,IRIVER_H10_PAD,SANSA_E200_PAD,SANSA_C200_PAD,SANSA_CLIP_PAD,GIGABEAT_PAD%
        ,MROBE100_PAD,COWON_D2_PAD}{\ButtonPower}
    \opt{SANSA_FUZE_PAD}{Long \ButtonHome}
    \opt{GIGABEAT_S_PAD}{\ButtonBack}
    \opt{PBELL_VIBE500_PAD}{\ButtonRec}
    \opt{SAMSUNG_YH92X_PAD,SAMSUNG_YH820_PAD}{Long \ButtonRew}
    \opt{MPIO_HD200_PAD}{\ButtonRec + \ButtonPlay}
    \opt{MPIO_HD300_PAD}{Long \ButtonMenu}
    \opt{SANSA_FUZEPLUS_PAD}{Long \ButtonBack}
       \opt{HAVEREMOTEKEYMAP}{&
          \opt{IRIVER_RC_H100_PAD}{\ButtonRCStop}
       }
    \opt{RG_NANO_PAD}{\ButtonStart}
    & Quit\\
\end{btnmap}
