Mathematics
Percentages, fractions, equations and numbers
5 calculators
In this category
Percentage Work out a percentage of a number, a share, a percentage change, or add and subtract a percentage — with every step shown. Fractions Add, subtract, multiply and divide fractions, reduce them to lowest terms, and convert between fractions and decimals. Ratios Simplify a ratio, share a total between any number of parts, or solve a proportion by cross multiplication. Statistics Paste a series of numbers and read its mean, median, spread, quartiles, skewness and outliers at a glance. Discount Find the sale price, the percentage off, or the price before the discount — including stacked offers and sales tax.
Everyday and school-level maths: percentages and percentage change, fractions, ratios and proportion, quadratic equations, greatest common divisor and prime factors.
Every result comes with the steps written out, so you can check the working rather than copy an answer.