Resistor Calculator - Given the color bands on the resistor, it will tell you the resistance and tolerance rating. It is designed so that you may easily see how resistance is calculated using the color bands and hence calculate resistance on your own

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)

EasyCalcBasic - A very simple calculator.
Enter a list of up to 10 numbers, add labels.
Comes with hyper-intelligence:
You can write *,x,/,div,divide,subtract,plus,minus,times,takeaway, or pls,tms,add...you will still get the same result

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

TouchMathPro is a numerical computing environment and programming language for mobile devices with touchscreen. You can implement any numerical method using this program. MathPro is designed in order the user interact more efficiently