Intuitive icons, easy to navigate and straight forward to use

Audio and visual feedback for wrong answer

Audio feedback for problem/session completion

Controllable/selectable sound

Designed for independent use by children

Quick and easy access to all activities

Multiple levels of difficulty

Randomly generated or student supplied problems

User experience is like using paper and pencil

Many customizable features:

	Backdrop graphics
	Display colors
	Length of a session and the number of sessions to track
	Value for scores