Now your favorite Calculator is free! Enter a set of numbers and you can calculate: The Mean (Average), median (middle number when aligned from least to greatest), mode(most often chosen number), Quartile 1 (Q1), Quartile 2 (Q2), Quartile 3 (Q3), Standard Deviation, Largest, Smallest, Range, Sum, and Variance. Bonus -Scientific Calculator- Calculate – Multiply, subtract, divide, square root. The Fausak calculator is one of only a few calculators on the Android Market that do not require internet access! Be sure to check it out and try it yourself!