Simple calculator 1 wxVERTICAL wxHORIZONTAL wxALL|wxALIGN_CENTRE_VERTICAL 5 10,10 wxEXPAND wxALL|wxALIGN_RIGHT 5 wxEXPAND wxHORIZONTAL wxALL|wxALIGN_CENTRE_VERTICAL 5 10,10 wxEXPAND wxALL|wxALIGN_RIGHT 5 wxEXPAND wxHORIZONTAL wxALL|wxALIGN_CENTRE_VERTICAL 5 10,10 wxEXPAND wxALL|wxALIGN_RIGHT 5 wxEXPAND Ctrl-A Add second arg to the first arg. Ctrl-S Substract second arg from the first arg. Ctrl-M Multiply first arg by second arg Ctrl-D Divide first arg by second arg.