PlainMath

What it does

Account features

A free account unlocks Smart Practice, custom quizzes, mistake-based practice, progress analytics, learning history, and printable worksheets.checked 11 Oct 2026

Accuracy

PlainMath says floating-point arithmetic, unusual inputs, and edge cases can produce unexpected results, so important results should be independently verified.checked 11 Oct 2026

Ads

PlainMath says no ads interrupt its learning tools.checked 11 Oct 2026

Advice limitation

The terms say calculations are for general information and are not financial, tax, legal, or engineering advice.checked 11 Oct 2026

Everyday tools

The site includes a calculator with keyboard support and history, plus tip splitting, unit conversion, and percentage tools.checked 11 Oct 2026

Guest access

Core tools can be used without signing up, and guest XP, streak, and rank stay on the device.checked 11 Oct 2026

Learning resources

The site offers topic guides with worked examples, visualisations, and practice problems.checked 11 Oct 2026

Mobile use

PlainMath says its responsive interface works on phones, tablets, and desktop browsers.checked 11 Oct 2026

Practice

Quizzes, daily challenges, speed games, and Spot the Mistake give learners practice and feedback.checked 11 Oct 2026

Product

PlainMath is a free, browser-based math solver that shows the steps used to reach an answer.checked 11 Oct 2026

Subjects

It covers arithmetic, fractions, percentages, algebra, geometry, trigonometry, calculus, and statistics.checked 11 Oct 2026

Warranty limitation

The terms say the service is provided as is and results are not guaranteed to be error-free.checked 11 Oct 2026