∑ Scientific Calculator

Advanced mathematical functions

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Free Online Scientific Calculator

Perform complex mathematical calculations with our free scientific calculator. Includes trigonometric functions, logarithms, exponents, and more - all in your browser.

Supported Functions

Basic: Addition (+), Subtraction (−), Multiplication (×), Division (÷)

Trigonometry: sin, cos, tan (in radians)

Logarithms: log (base 10), ln (natural log)

Exponents: x^y, Square root (√)

Constants: π (pi), e (Euler's number)

How to Use

  • Click buttons or use your keyboard to enter expressions
  • Use parentheses () for complex calculations
  • Trigonometric functions use radians (π = 3.14159...)
  • Press = or Enter to calculate
  • AC clears all, ⌫ deletes last character