Basic & Math

Add, subtract, multiply, divide

Ratio, change, and percentage

Average, sum, and median

Calculate sample or population standard deviation and variance

Length, weight, temp, volume, area

Trig, log, exponent calculations

Solve A:B = C:? unknowns

Calculate greatest common divisor, least common multiple, and reduced ratios

Calculate prime factors, prime status, and divisor count for an integer

Calculate nPr, nCr, and factorials as exact integers

Calculate area and perimeter for circles, rectangles, and triangles