Online Calculator
Basic and scientific calculator — type directly on your keyboard or tap the buttons
DEG
0
M
History
- No calculations yet
⌨️ Keyboard shortcuts
- • 0-9 . + - * / ( ) — type directly
- • Enter or = — calculate
- • Backspace — delete one character
- • Esc — clear all
📐 How to write expressions
- • Power:
2^10= 1024 - • Percent:
50*20%= 10 - • Factorial:
5!= 120 - • Modulo:
17 mod 5= 2
Free Online Calculator
This online calculator combines a basic and a scientific calculator in one page — quick sums or multi-level expressions with brackets, powers and trigonometry.
You type the whole expression and it evaluates in one go, previewing the result as you type while respecting standard operator precedence.
How to use it
- Type the expression with your keyboard, or click the on-screen buttons.
- The result previews below as soon as the expression is valid.
- Press Enter or "=" to commit it and save it to history.
- Click "Scientific" for sin, cos, tan, log, roots, powers and factorials.
Syntax
- Powers:
2^10gives 1024. - Percent goes after the number:
50*20%gives 10. - Factorial:
5!gives 120. - Modulo:
17 mod 5gives 2.
FAQ
Does it follow order of operations? Yes — brackets, then powers, then multiplication and division, then addition and subtraction.
How do I switch between degrees and radians? Use the "DEG / RAD" button; the tag on the display shows the current mode.