Scientific Calculator Online Free
Evaluate trigonometry, logarithms, powers, roots, and factorials with proper operator precedence. Type full expressions or use the button layout.
Scientific Calculator
Full-featured scientific calculator with trigonometry, logarithms, expression parsing, history, and base conversion
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Quick Expressions
Function Reference
| Function | Syntax | Description |
|---|---|---|
| sin, cos, tan | sin(x) | Trig (uses DEG/RAD setting) |
| asin, acos, atan | asin(x) | Inverse trig |
| sinh, cosh, tanh | sinh(x) | Hyperbolic functions |
| log | log(x) | Base-10 logarithm |
| ln | ln(x) | Natural logarithm |
| log2 | log2(x) | Base-2 logarithm |
| logb | logb(x, base) | Custom base logarithm |
| sqrt, cbrt | sqrt(x) | Square/cube root |
| nroot | nroot(x, n) | Nth root |
| abs | |x| or abs(x) | Absolute value |
| floor, ceil | floor(x) | Round down/up |
| round | round(x) | Round to nearest integer |
| exp | exp(x) | e raised to x |
| pow | x^y or pow(x,y) | Power |
| n! | x! | Factorial (integers 0-170) |
| min, max | min(a,b,c) | Minimum/maximum |
| implicit × | 2pi, 3(4+1) | Implied multiplication |
| ans | ans | Previous result |
History (0)
Quick Start
- 1Type an expression or use the calculator buttons
- 2Toggle DEG or RAD for trigonometric functions
- 3Press Enter or = to evaluate
- 4Reuse previous results from the history panel
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Looking for FAQs and advanced options? Visit the full Scientific Calculator page →