 mPustakMultiply Mathematics Practice app that lets you learn with a lot of fun!   Pocket KrHyper Pocket KrHyper is a theorem proving library for J2ME mobile phones   HexNumber 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$   BrainBooster Train your brain with this simple maths and time it to beat your own record 

 SimulME SimulME is a mobile application with Queueing calculator, Stopwatch, Monte Carlo simulation, Random Number Generator (RNG), Probability distributions, KolmogorovSmirnov and Chisquare tests   Graphviewer scientific equation solver You can calculate the function inflection points
Multiple functions can be plotted in different colors at once   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   Distancia It calculates the distance among two geographical coordinate   NumBasis NumBasis is a basis tool converter for integer numbers written in any of the main numeration systems (decimal,binary,octal,hexadecimal).It supports large number formats(5digits hexa,7digits dec) and fast calculation 
