Basic Calculator
Perform simple arithmetic operations quickly and accurately with our free online calculator.
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Calculator Features
Basic Operations
Addition, subtraction, multiplication, and division
Percentage
Calculate percentages with a single click
Sign Toggle
Easily switch between positive and negative numbers
Decimal Support
Precise calculations with decimal numbers
How to Use
1
Enter Numbers
Click the number buttons or use your keyboard to input values
2
Choose Operation
Select +, -, ×, or ÷ to perform basic arithmetic
3
Get Result
Press = or Enter key to see your calculation result
Calculator Tips
- Use the C button to clear all calculations and start over
- Toggle between positive and negative numbers with the ± button
- Calculate percentages using the % button
- Use your keyboard for faster input (numbers and operators work)