Free online calculator
Scientific Calculator
Enter an expression for instant calculation.
Calculation mode
Result—
Enter = calculate · Esc = clear · Put function arguments inside parentheses
History
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How to use
Trigonometric functions support DEG (degrees) and RAD (radians). log is the base-10 logarithm; ln is the natural logarithm.
Parentheses and arithmetic are supported. Explicitly enter multiplication as 2×π . Invalid calculations, such as division by zero, return an error.
This general-purpose real-number calculator is not a substitute for safety-critical calculations.