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GCSE Maths Calculator

Free online calculator for maths and GCSE revision

Use this online maths calculator for quick arithmetic and scientific calculations. Work with fractions, square roots, powers, sin, cos, tan and logarithms, with simplified exact answers where supported.

Add, subtract, multiply and divide with brackets and the usual order of operations.
Calculate fractions and surds, then use S↔D to compare an exact answer with a decimal.
Use degrees or radians, inverse trigonometry, nth roots and logarithms.
Continue with Ans. Choose a theme or Custom colours. Desktop users can also choose a text size.

For a quick check, 2 + 3 × 4 = 14; adding brackets gives (2 + 3) × 4 = 20. For a percentage, enter 240 × 18 ÷ 100 to find 18% of 240.

A scientific calculator for GCSE practice

Check Foundation and Higher homework, practise calculator skills and compare exact answers when revising. It also works for everyday maths and scientific calculations beyond GCSE.

Free to use in your browser, with no account or app installation. Phones and tablets use fixed Standard text. This website is for practice; use a calculator permitted by your school and exam board in an actual exam.

Online scientific calculator guide GCSE maths calculator skills Choosing a calculator for GCSE maths Fractions, surds and exact answers About this calculator and its creator