Scientific Calculator
Free scientific calculator — updated for 2025. Accurate, instant, no sign-up needed.
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Scientific Calculator
Full-featured with trig, log, roots, exponents & memory
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About the Scientific Calculator
Supports trig functions, logarithms, exponents, and roots. Trig functions use radians. To convert degrees: multiply by π/180. Keyboard supported: numbers, operators, Enter = calculate, Escape = clear.