Math & Education Calculators
Solve everyday maths and schoolwork problems: fractions, averages, standard deviation, ratios, grades and GPA. Results come with the working, not just the answer, so you can learn the method as you go.
Numbers are calculated precisely and shown without floating-point noise, and you can choose how many decimal places to display.
Everyday maths
- Fraction Calculator Add, subtract, multiply and divide fractions and mixed numbers.
- Random Number Generator Pick fair random whole numbers, with or without repeats.
- Average Calculator Mean, median, mode and range of any list of numbers.
- Ratio Calculator Simplify ratios, solve proportions and split totals in a ratio.
- Rounding Calculator Round to decimal places, significant figures or any nearest increment.
- Percent Error Calculator Percent, absolute and relative error from measured and true values.
- Decimal to Fraction Calculator Turn any decimal, even a repeating one, into a fraction.
Algebra and numbers
- Scientific Calculator Trig, logs, powers, roots and factorials, in degrees or radians.
- Square Root Calculator Square, cube and nth roots, with the simplified radical form.
- Quadratic Formula Calculator Find the roots, discriminant and vertex, with steps.
- Scientific Notation Calculator Convert numbers to scientific, E and engineering notation, and back.
- GCF and LCM Calculator Find the GCF and LCM of 2–6 numbers, with full working.
- Prime Number Calculator Check if a number is prime and find its prime factors.
- Significant Figures Calculator Count significant figures and round any number to n sig figs.
- Exponent Calculator Raise any number to any power, including negative and fractional exponents.