Tools in this category
Browser scientific calculator with trig, log, powers, and memory.
Add, subtract, multiply, and divide fractions.
Solve common percentage problems quickly.
Generate random integers within a chosen range using your browser's cryptographic random source.
Solve triangle sides, angles, and area.
Compute mean, variance, and both sample and population standard deviation from a list of numbers.
Simplify ratios and solve proportions.
Compute powers of numbers.
Compute square roots of numbers.
Compute slope of a line from two points.
Solve ax² + bx + c = 0 using the quadratic formula.
Compute the least common multiple and greatest common factor of a list of positive integers.
Find the mean, median, mode, and range of a data set.
Calculate permutations (nPr) and combinations (nCr).
Calculate probabilities for single and combined events.
Calculate the factorial of a number.
Check whether a number is prime and find its factors.
Solve right triangles with the Pythagorean theorem.
Calculate a circle's area, circumference, radius, and diameter.
Calculate the area of common shapes.
Calculate logarithms in any base.
Calculate the remainder of a division (modulo).