 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!   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   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   XCalc V 1.5.0 XCalc V 1.5.0 

 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   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)   Calculator V1.02 Calculator V1.02  This is the calculator which has many functionalities than the normal calculator provided in the mobiles, this software is mainly designed for the touch screen mobiles. This will not work on the mobiles which do not have touch screen facility   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 
