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A full scientific calculator — trig, logs, powers, and roots.
A full scientific calculator in your browser — sine, cosine and tangent (in degrees or radians), natural and base-10 logs, powers and roots, factorials, and the constants π and e. Type with your keyboard or tap the buttons; everything is calculated locally, nothing is sent anywhere.
Runs entirely in your browser — nothing is uploaded.
Both — use the DEG/RAD toggle. It defaults to degrees, which most people expect, and switches to radians in one tap.
Yes. Type digits and operators directly, press Enter to evaluate, Backspace to delete, and Esc to clear.
No — the calculator runs entirely in your browser, so nothing you type leaves your device.