10-Digit Scientific Calculator is ideal for general math, pre-algebra, algebra 1 & 2, trigonometry & biology. Performs trigonometric functions, logarithms, roots, powers, reciprocals, & factorials. One-variable statistics include results for mean & standard deviation. Calculator also adds, subtracts, multiplies, & divides fractions entered in traditional numerator / denominator format. Conversions include fractions / decimals, degrees / radians / grads, DMS / decimal / degrees, & polar / rectangular. Battery-powered calculator includes slide case.