Built for GCSE maths revision
The calculator supports common GCSE topics including arithmetic, fractions, powers, roots, standard form, trigonometry, logarithms and exact answers.
Free GCSE scientific calculator
Check exact answers, surds, fractions and scientific calculator work online.
GCSE Maths Calculator is a clean, mobile-friendly online calculator built for students who want a quick way to check GCSE maths calculations while revising, practising homework or reviewing exam-style questions.
Exact answer support
Where possible, answers are simplified into useful GCSE forms such as fractions, surds, rationalised square roots and selected expressions involving π.
Works on phones
The page is responsive, so students can use the calculator on a phone, tablet, laptop or desktop without needing an app download.
What students can use it for
- Checking fraction arithmetic and mixed calculations.
- Simplifying square roots and rationalised surd answers.
- Testing trigonometry in degrees or radians.
- Checking powers, indices, logarithms and standard form.
- Comparing decimal answers with exact simplified answers.
Popular GCSE calculator topics
Fractions
Surds
Indices
Standard form
Trigonometry
Logarithms
Exact answers
π