Math Calculators

Add, subtract, multiply, or divide fractions and mixed numbers, then see the result simplified.

Convert a decimal to a fraction.

Divide with full long division steps.

Round numbers to any place.

Find the least common multiple.

Find the greatest common factor of two or more integers to simplify fractions and solve number problems.

List all factors of a number.

Break a number into its prime factors.

Find a mod n.

Calculate n! exactly.

Quickly find percentages, percentage change, and what number is a given percent of another.

Find the percentage increase or decrease between a starting value and a new value.

Compare two values using the symmetric percentage difference formula.

Find the sale price and your savings.

Simplify, scale and solve ratios.

Solve quadratic equations with full steps.

Find the slope between two points.

Find a logarithm in any base.

Raise any number to any power.

Find and simplify square roots.

Solve 2 or 3 linear equations.

Divide a polynomial by x − c.

Multiply matrices and find determinants.

Find the cross product of vectors.

Differentiate a function of x.

Integrate a function of x.

Find the limit of a function.

Solve triangles from sides and angles, and find area, perimeter, and height.

Find any missing side of a right triangle.

Find the area of common flat shapes.

Find the volume of common 3D shapes.

Find the surface area of 3D shapes.

Find a circle's circumference.

Find arc length and sector area.

Find the distance between two points.

Find the midpoint of two points.

Convert radians and degrees.

Find the mean, median, mode, and range of a list of numbers.

Calculate an average where some values count more than others.

Compute mean, variance, and standard deviation for a dataset in seconds.

Find a z-score and percentile.

Find the chance of independent events.

Find combinations and permutations.

Find p-values from z, t, χ² or F.

Find a confidence interval.

Find how many people to survey.

Find the line of best fit.

Find binomial probabilities.

Run a t-test on your data.

Find normal probabilities.

Find percentiles of your data.

Run a chi-square test.

Full-featured calculator with trig functions, powers, roots, percentages, and memory for everyday and technical work.

Convert numbers to scientific notation.

Count and round significant figures.

Do arithmetic with binary numbers.

Do math with hex numbers.

Convert numbers and Roman numerals.

Find the molar mass of a formula.

Find an empirical formula.

Find molarity or the mass of solute needed.

Solve C₁V₁ = C₂V₂.

Find density, mass or volume.

Solve half-life problems.

Find kinetic energy, mass or speed.

Find velocity, distance or time.

Convert frequency and wavelength.