Percentages, fractions, and general math tools.
A full expression calculator with trig, logs, powers, and factorials.
Find a percentage of a number, work out percent change, and more.
Add, subtract, multiply, or divide fractions and simplify the result.
Roots, discriminant, and vertex for ax² + bx + c = 0.
Mean, median, mode, standard deviation, and quartiles from a list of numbers.
Convert between binary, octal, decimal, hexadecimal, or any base from 2 to 36.
Find the greatest common divisor and least common multiple of any list of numbers.
Test a number for primality and break it into prime factors.
Give any two parts of a right triangle and get the rest.
Every measure of a circle or sphere from any one of them.
Solve A : B = C : D for the missing value, or scale a ratio.
Powers, roots, and logarithms in any base.
How many ways to arrange or choose r items from n.
Slope, distance, midpoint, and the line equation through two points.