Desmos
Beautiful graphing calculator in the browser. Plot any function, adjust parameters with sliders, explore calculus visually. Used in classrooms worldwide, completely free. It keeps working without a connection once installed, which is why classrooms rely on it on school tablets.
Desmos opens in a browser tab — no download.
Not sure how to add Desmos to your home screen? Step-by-step for Chrome, Safari, Firefox and Edge — it takes about ten seconds, and there is no app store involved.
Own Desmos? Have us re-run this measurement — we open it in a real browser, cut the network, and send you what survived.
How to install Desmos as a PWA
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Own a PWA? See the listing options — standard submission is free.