All calculators — with steps.

Add, subtract, multiply & divide fractions with step-by-step solutions and decimal equivalents.

Calculate percentages, percentage change, and “what percent of” problems.

Find the Greatest Common Divisor and Least Common Multiple with prime factorization steps.

Break any integer into its prime factors. Shows expanded and power form with step-by-step division.

Calculate powers, roots, and negative exponents with step-by-step solutions.

Simplify ratios, solve proportions, and scale ratio values.

Convert numbers to and from scientific notation. Multiply and divide in scientific form.

Compute log, ln, log₂ or any custom base with the change-of-base formula.

Solve linear equations step by step. Supports ax + b = c and similar forms.

Solve ax² + bx + c = 0 with the quadratic formula. Shows discriminant and all roots.

Combine like terms and distribute single-variable polynomial expressions step by step.

Calculate area, perimeter, volume, and surface area for common 2D and 3D shapes.

Find the missing side of a right triangle using a² + b² = c².

Sin, cos, tan and inverse functions in degrees or radians with exact values for common angles.

Calculate mean, median, mode, range, and standard deviation from a data set.

Project mutual fund and savings growth with year-by-year table, chart, and the formula behind it.

Convert between metric and imperial units for length, weight, volume, and temperature.