This is the Pro version of Scientific Calculator CalcAndroid.It is the same that the free version, except for: * No ads! More space for your chubby fingers!* You help mamuso to keep on developing!* You will be a 15.4% happier, for the price of a coffee! —–CalcAndroid – Scientific calculator.Looks, works and feels like the old ones.Features:* 10 digits display + 2 digit exponent ( range from -9.9e99 to 9.9e99 )* Typical operations ( add, subtract, multiply, divide ), with virtually infinite brackets* Power functions ( n-power, n-root, square, square root, cubic root )* Logarithmic functions ( log10, ln, 10 power, exp )* Single value memory* Trigonometric functions ( sin, cos, tan, including inverse and hyperbolic )* Three angle modes ( deg, rad, gra )* Random number generator* PI constant* Permutation (nPr) and combinatorial number (nCr)Please tell me your thoughts at www.mamuso.com