Basic Calculator

Free online calculator for basic math operations. Supports keyboard input and maintains calculation history.

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💡 Use your keyboard: Numbers, +, -, *, /, Enter (=), Escape (C), Backspace

History

No calculations yet

Quick Actions

Free Online Basic Calculator

Features

  • • Basic arithmetic operations (+, -, ×, ÷)
  • • Square and square root functions
  • • Percentage calculations
  • • Keyboard support for faster input
  • • Calculation history with timestamps
  • • Scientific notation for large numbers
  • • Clear and Clear Entry functions
  • • Mobile-friendly responsive design

Keyboard Shortcuts

Numbers:0-9
Operations:+ - * /
Calculate:Enter or =
Clear:Escape or C
Backspace:Backspace

This free online basic calculator performs essential mathematical operations with precision and ease. Perfect for students, professionals, and anyone needing quick calculations. The calculator maintains your calculation history and supports both mouse clicks and keyboard input for maximum convenience.