DroidCalc

Amazing Touch for inputting digits.Faster than your regular calculators.Perform Scientific Calculations(sin, cos, tan, log, exponentials...and much more).Calculate your rates, tips and all percentages.Calculate squares, cubes and infinite powers.Continue your calculations with previous answers.Input decimals perfectly.Work with negative numbers.Perfect for mobile phones and tablets.Also available for Android Wear Devices(Samsung gear live, Asus, Moto, Huawei ,..etc).