Solve algebra, geometry, statistics, and academic problems.
Full-function scientific calculator with trig, logs, powers, and memory functions.
Solve linear equations, quadratics, and systems of equations step by step.
Plot functions, find intersections, and visualize equations on a coordinate plane.
Calculate percentages, percentage change, and what percent one number is of another.
Find the percent increase or decrease between two values with step-by-step work.
Calculate square roots, cube roots, and nth roots with full decimal precision.
Raise any base to any power — positive, negative, or fractional exponents.
Simplify ratios, find equivalent ratios, and solve proportion problems.
Generate random numbers within any range — integers, decimals, or unique sets.
Add, subtract, multiply, and divide fractions with automatically simplified results.
Reduce any fraction to its simplest form with full step-by-step work shown.
Convert between Roman numerals and standard numbers in both directions instantly.
Solve for speed, distance, or time given any two values. Works in any units.
Calculate mean, variance, and standard deviation for any data set instantly.
Calculate p-values for z-tests, t-tests, and chi-square hypothesis tests.
Calculate confidence intervals for means and proportions. Includes sample size calculator.