Smart Math Calculator 1.8
Advanced yet easy-to-use math calculator that immediately and precisely computes the result as you type a math expression.
It allows multiples math expressions at same time. It also allows fractions and defining your own variables and functions. It has a beautiful user-interface that conveniently allows you to directly edit the expression or if you prefer use a visual keypad to enter new expressions. There is support for over 20 math functions.