In MathAce you train simple math - addition, subtraction, multiplication and division. You setup the characteristica of the quiz - if it should be timed, what kind of operations you'd like, sizes of the operands, size of the answer and if you'd like negative numbers to be in the quiz.

MathAce will then display a simple equation for you to solve. MathAce keeps tracks of your successes and failures. The Last 10 scores can be exported to Memo Pad.
Updated Description:

v1.8 (2005-11-22)
Added a "Time is up!" banner when the time is up (only for timed games).

v1.7 (2005-10-23)
The Last 10 Scores list can now be reset.

v1.6 (2005-10-18)
Fixed a bug where you could get signed quizzes even though you had deselected signed quizzes.
Added the option to select which field to blank when in "Solve" mode.
Added the option on how scores are tallied.

v1.5 (2005-10-08)
Timed quizzes now works correctly. The timer is counted down in the
background and even though you can halt the display of the timer, it
will catch up when you release the button you press.

v1.4 (2005-09-30)
Fixed a bug in the timed game where, if you let the timer run without
taking any quiz data, the Handheld could crash.

v1.3 (2005-09-27)
Changed versioning from v1rX to v1.X.
Changed layout on the preferences screen (requested by Tony Vincent).
Added option to not save the score.
Added the "Beam Preferences" option.

v1r2 (2005-08-15)
Fixed a bug where the preferences was not honoured (Dale Ehrhart).