General calculator
General Calculator - Free Online Basic Calculator
Use this simple calculator for quick addition, subtraction, multiplication, division, percentages, decimals, and everyday math.
It works instantly on desktop and mobile, with keyboard support and a running history of your latest calculations.
What you can do
Basic operations
Add, subtract, multiply, and divide with a clean keypad.
Keyboard support
Use your keyboard for numbers, operators, Enter, and Backspace.
Quick actions
Toggle sign, convert to percent, square a value, or find square root.
Recent history
See your latest calculations and tap one to load it back into the display.
Calculator
Tap the buttons or use your keyboard to calculate.
Tips
- Press Enter to calculate.
- Press Backspace to delete one character.
- Use AC to reset the whole expression.
- Tap a history row to load that result again.
Recent calculations
No calculations yet.
What is a General Calculator?
A General Calculator is a simple online tool used for everyday math. It helps you quickly solve basic arithmetic problems like addition, subtraction, multiplication, division, percentages, and decimal calculations without needing a separate app or physical calculator.
This page is useful for students, shop owners, freelancers, office work, budgeting, and quick daily calculations.