Scientific Calculator
A free online scientific calculator with trig, logs, powers and constants.
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Tip: you can also type with your keyboard. Functions like sin use radians.
Scientific calculator
This calculator supports the basic operators (+, −, ×, ÷), exponents
(x^y), parentheses, and functions including sine, cosine, tangent,
natural log (ln), base-10 log (log) and square root,
plus the constants π and e.
Trigonometric functions operate in radians. To convert degrees to radians, multiply by π/180. Everything runs instantly in your browser — no data leaves your device.