Math tools

Calculate final prices, savings, and discount percentages. Multi-item mode handles up to 5 products at once.

Raise any base to any power, extract roots, or solve logarithms with step by step breakdowns and scientific notation for extreme values.

Add, subtract, multiply, and divide fractions with full working shown at every step. Supports mixed numbers and instantly simplifies results to lowest terms with decimal equivalents.

Calculate the future value of an investment with compound interest and regular contributions. See how your money grows year by year.

Calculate gross profit margin, markup percentage, revenue, or cost from any two known values. Four solver modes cover every direction of the margin and markup relationship.

Calculate percentages three ways at once: find what X% of a number is, see what percent one value is of another, and compute the change between two values.

Simplify ratios, solve proportions by cross-multiplication, and scale ratios to a target total. Supports two and three part ratios with percentage splits and step by step working.

Calculate tip amounts and split the bill between any number of people. Choose a preset or enter a custom percentage for instant per-person totals.

Calculate prices including or excluding VAT instantly. Add or remove value added tax at any rate and see the full breakdown of VAT amount and total price.