Free online math tools for students, engineers, and everyone.
Sin, cos, tan, log, ln, √, ^, π, e and more.
Standard arithmetic: add, subtract, multiply, divide.
Add, subtract, multiply, and divide fractions.
% of, increase/decrease, what % is X of Y.
Generate random numbers in any range.
Solve triangles by SSS, SAS, ASA, AAS.
Mean, median, mode, variance, and std dev.
Log base 2, 10, e, or any custom base.
Calculate √ with simplification steps.
Calculate x raised to the power n.
Calculate n! for any non-negative integer.
Generate Fibonacci sequences up to n terms.
Check if a number is prime, list primes.
Find least common multiple and greatest common factor.
Solve ax²+bx+c=0 with step-by-step solutions.