 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   MIDP Calculator MIDP Calculator is a Java calculator for mobile devices. It works much like a good old HP calculator with RPN logic, but the stack has 16 elements and you can see many of the elements on the stack simultaneously   TOUCH CALC S60 TOUCH CALC S60   Graph2Go Graph2Go  Graphing calculators are instrumental in teaching and learning mathematics. It is an environment that supports conceptual understanding of functions in general, and school algebra and real analysis in particular. Especially, it enhances connections between graphic and symbolic representations   MIDP Graphing Calculator MIDP Graphing Calculator  A graphing calculator for Java MIDP cell phones.
It actually implements a small programming language, parsing expressions into trees. One can define functions with an arbitrary number of parameters, and use the functions in java.lang.Math in addition to the normal operators 

 Complex Numbers Calculator Using the complex numbers calculator the answers to algebra problems covering this topic is only as far as your mobile phone   SolveMyMath_Scientific_Calculator SolveMyMath_Scientific_Calculator aims to help users perform complex mathematical equations with a deep list of functions. Thanks to its simple interface and helpful features, this program has the ability to help even those who are not natural mathematicians   Students Calculator This is an advanced calculator, not replaceable assistant for the student   Calculator Sains Calculator Sains   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) 
