Math & Statistics Calculators
The everyday maths tools students, teachers and professionals reach for most — from a full scientific calculator to step-by-step equation solvers.
Answers are exact where possible (fractions stay as fractions) and show the working, so you can check homework or reports with confidence.
15 math & statistics calculators
Scientific Calculator
Trig, logs, powers, roots and more.
Open calculatorAverage Calculator
Mean, median, mode and range of a list.
Open calculatorStandard Deviation Calculator
Sample or population SD and variance.
Open calculatorFraction Calculator
Add, subtract, multiply and divide fractions.
Open calculatorRatio Calculator
Find the missing value in a proportion.
Open calculatorSquare Root Calculator
Square, cube and nth roots.
Open calculatorExponent Calculator
Raise a number to any power.
Open calculatorLog Calculator
log₁₀, ln, log₂ and custom bases.
Open calculatorLCM & GCF (HCF) Calculator
Least common multiple and highest common factor.
Open calculatorQuadratic Equation Solver
Roots of ax² + bx + c = 0.
Open calculatorPythagorean Theorem Calculator
Missing side of a right triangle.
Open calculatorCircle Calculator
Area, circumference, radius and diameter.
Open calculatorRandom Number Generator
Random numbers in any range.
Open calculatorRoman Numeral Converter
Numbers to Roman numerals and back.
Open calculatorBinary, Hex & Decimal Converter
Convert between binary, decimal, hex and octal.
Open calculator