This fun apps will reinforce basic arithmetic concepts and spark a love for learning math. Don't let your kids waste their time playing on the phone. Have them practicing math instead.In this game you will calculate math examples so quickly as you can. Try to answer the questions correctly and increase the scale of the bonus

This app turn your Phone into a handy pocket ruler that can measure in both inches and centimeters.
Features:
- Elegant design
- Measure in inches and centimeters

Jasymca - Jasymca is a symbolic calculator. It solves and manipulates equations, handles basic calculus problems, and provides a few more typical functions of computer algebra systems. The syntax is loosely related to GNU-Maxima. While it is fun to play with mobile devices, it teaches the use of computer algebra systems, and may even be used to solve some real world problems

Pocket KrHyper is a theorem proving library for J2ME mobile phones. It supports reasoning in propositional, first order, and description logic and is aimed at mobile knowledge management or semantic web applications

This is a number converter. You can enter a decimal, hexdecimal, binary or octal number and see what it is in the other formats. The full version has a very much better interface plus you can convert to and from any base, it's available only for 0.5$

TouchSheet_ME - The full version of TouchSheet programm (for touchscreen mobile phones) is a revolutionary mathematical tool for mobile phones. The program is must-have for students, engineers and researchers. TouchSheet program includes four (04) applications (Statistics, Curve fitting, Interpolation and Matrix operations) with a large of features