Scientific Calculator
Trigonometry, logarithms, powers, and roots — right in your browser.
Angle Mode
0
How to Use
Tap the number and function keys to build your expression, exactly as you'd write it on paper — parentheses, powers, and functions all work together. The live preview under the expression shows the result as you type. Press = to lock it in.
Supported Functions
- Trigonometry: sin, cos, tan (respects the Degree/Radian toggle)
- Logarithms: log (base 10), ln (natural log)
- Powers & roots: ^ for exponents, √ for square root
- Constants: π (pi), e (Euler's number)
A Note on Safety
This calculator does not use JavaScript's eval(). Instead, it parses your expression through a dedicated math parser that only recognizes numbers, operators, and the functions listed above — nothing else can execute.