Beatriz Math Studio Ecuations - This app helps you solve simultaneous linear equations system step by step right on your Android device. There are four supported methods to choose from. The SBS Engine will describe step by step the solutions applied
SkinnyCalculator - Bored of old calculator with a black background??
Try Skinny calculator which comes with four awesome skins, stripe blue -the default one, Gold, Heavy steel, Camouflage. Changing the skin is pretty easy; just click which skin you want from the bottom of the calculator page and you can see the smooth change in skin
Arithmetic Expression Calculator - Allows to evaluate an arbitrary arithmetic expression. Supported operands are +, -, *, / and ^. Parentheses and floating point decimals are also allowed. Terms may be nested any number of times
TheMathsCalculator - It is a simple calculator which can perform basic mathematical operations like addition subtraction division multiplication remainder and average of two numbers.
While in division and subtraction one has to take care of order in which they fill the data