Scientific Calculator Online

Education

A free browser-based scientific calculator with a Casio‑style layout for trigonometry, logarithms, fractions and more.

by Muneeb Guest

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Scientific Calculator Online is a free web‑based scientific calculator that mimics the layout of Casio’s FX‑991ES and FX‑991EX models. It runs entirely in the browser, so no download or account is required. The calculator supports core scientific functions – arithmetic, powers, roots, logarithms, fractions, constants, percentages and scientific notation – and lets you switch between degree and radian modes for trigonometric calculations. A history pane and keyboard support let you reuse results quickly. Designed for students, teachers and engineers, the interface works on desktop, tablet and phone screens, offering touch‑friendly keys and multiple color themes. The tool is free forever and includes links to formula guides and a full button manual.

// launched on CLAPSTORM — a free Product Hunt alternative with a level weekly round · Education