 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   TouchMaths_ME The program TouchMaths (for touchscreen mobile phones) contain a set of revolutionary mathematical applications (Professional Calculator, Graph 2D, Function solver, Integral solver, Equation solver and Linear system solver)   CASIO SCIENTIFIC CALCULATOR Rate it   scintific calculator Scintific calculator   PowerfulXcalculator About
I have written this calculator with 2d and 3d plot function as student project 

 Calculator Scientific Calculator Scientific   XCalc V 1.5.0 XCalc V 1.5.0   Graphing Calculator Graphing Calculator  FREE app, designed to turn your cell phone into a Graphing Calculator.
It should work on all phones that support J2ME, like Nokia, Blackberry, Motorola, LG, Samsung, Sony Ericsson and more (specifically MIDP 2.0 and CLDC 1.1)   RZCalculator This calculator for java mobile phones can calculate binary, octal, decimal, hex numbers and convert it to each other. It supports logical expressions, parenthesisses, memory and 64bit integer arrithmetics. Operator precedence as in C++, C#, C, Java   Calculator Nokia 6500 Calculator for Nokia 6500. Performs basic math functions. Simple and userfriendly design 
