BUG FIXED: Version 1.02 (February 5, 2003) fixed the following bug:
Subtraction levels 4 and 7 sometimes produced incorrect answers in the whole number portion of the answer.

Remember: if you have registered the program, you can download the updated version free and your registration key will unlock it.

If you have any observations about program bugs, or other issues, please let us know at support@sssoftware.com. We are committed to providing you the best, educationally sound, stable programs possible. We appreciate your feedback.