
Basic calculator
Add, subtract, multiply or divide two numbers.
Your inputs stay in your browser.
Method and assumptions
Method version 1.0.0 · Updated
Simple operation
Formula: a + b ; a − b ; a × b ; a ÷ b
Enter two numbers and choose the operation. Negative and decimal numbers are accepted. Division by zero is rejected. No expressions with parentheses or operator precedence. Example: 12.5 × 3 = 37.5.
- left
- First number
- operation
- Operation
- right
- Second number
Two finite numbers, one operation at a time. Numeric result displayed with at most 12 significant digits. Overflow and nonzero underflow are reported.