When the user enter the ÒCounting Mode,Ó he or she is given three choices: ÒCount,Ó ÒAdd,Ó and ÒSubtract.Ó In the ÒCount Mode,Ó objects are placed on the screen and the user has to count them. In the ÒAdd ModeÓ and the ÒSubtract ModeÓ the user is given a numerical equation and its pictorial equivalent. In all three cases, type in the correct answer and hit RETURN.
