Scientific Calculator
Full-featured scientific calculator with trigonometric, logarithmic, and exponential functions
0
Supports DEG/RAD mode. Use keyboard for quick input.
How to Use
- Click buttons or use your keyboard to input expressions
- Switch between DEG (degrees) and RAD (radians) for trig functions
- The expression line shows your formula, result line shows the answer
- Supported: sin, cos, tan, log, ln, sqrt, power, factorial, constants pi and e
Keyboard Shortcuts
| 0-9, +, -, *, / | Basic operations |
| Enter, = | Calculate |
| Escape | Clear All (AC) |
| Backspace | Delete last character (DEL) |
| (, ) | Parentheses |
| ^ | Power (x^y) |
About this Calculator
A scientific calculator goes beyond basic arithmetic — it handles trigonometry, logarithms, exponents, and constants like pi and e. Perfect for students, engineers, scientists, and anyone who needs advanced mathematical functions in a clean, distraction-free interface.
Privacy Note: All calculations are performed locally in your browser. No data is ever sent to a server or third party.
📖 Want the full walkthrough?
Read our plain-language guide to understand how this calculation works — the formula, worked examples, and common pitfalls.