 Calc4M Calc4M is a calculator for mobile phones. It is configurable and contains most of the normal functions such as trigonometric and logarithmic functions, conversions, constants, memories and binary and hexadecimal notation   Touch screen Calculator Made with practicality in mind, Calculator is a simple and easy calculator app, ideal for your every. It is easy to use with large buttons, clean and stylish design, and provides the basic functionalities most people need for daily calculations   UPNCalc UPNCalc is a RPN (Reverse Polish Notation) calculator for mobile phones.
· Arbitrary precision unnormalized BCD arithmetic.
· Arithmetic standard functions (approximated to arbitrary precision): sin, cos, tan, arcsin, arccos, arctan, 1/x, sqrt(x), exp(x), ln(x), y^x.
· Angle measure in DEG, RAD or GRAD   x_calc Universal free, every day use calculator with scientific features. One of top.
Good for simple and advanced calculations!   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 

 Solve2Go Solve2Go  supports solving equations and inequalities by means of conjectures based on visual thinking. Conjectures can be refuted or supported by examples provided by the tool, and should be proved using symbolic manipulations on paper.
Equations: when we want to know for which values of x the two functions are equal   Simple Scientific Calculator Basic arithmetic operation, trigonometric function, solve linear and quadratic 2 and 3 variable   MatrixGuy A small scale Matrix Calculator which computes determinants, inverses, adjoints and transpose of matrices   MobileMath MobileMath  MobileMath turns your mobile into a calculator supporting many operations such as: evaluate expression, plotting, differentiate & integrate expression...
Supports basic functions of a calculator:
· Operators : +, , *, /, ^
· Functions : sin, cos, tan, exp, ln...
· Solve equations
· And much more.. 
