Basic Math Calculator
Add, subtract, multiply, or divide two numbers.
- Free to use
- No registration required
- Works on all devices
- Last updated
- 12-09-2026
Enter two numbers and choose an operation to get the result instantly.
Your result
20
Result
AI explanation
Formula
Result = first number (operation) second numberWorked example
12 + 8
| Field | Value |
|---|---|
| First number | 12 |
| Second number | 8 |
| Operation | add |
| Result | 20 |
Assumptions
- Division by zero is not allowed and shows an error instead of an undefined result.
Frequently asked questions
What operations does this support?
Addition, subtraction, multiplication, and division of two numbers.
Can I use decimal numbers?
Yes — both numbers accept decimals, not just whole numbers.
What happens if I divide by zero?
The calculator shows an error, since division by zero is undefined.