Free Online Basic Calculator

Your go-to tool for quick and easy arithmetic calculations. Perfect for daily use, whether you're a student, professional, or just need to crunch some numbers.

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How to Use the Basic Calculator
  • Enter Numbers: Use the number buttons (0-9) to input your values.
  • Select Operation: Click on an operator button (+, -, ×, ÷) for addition, subtraction, multiplication, or division.
  • Calculate: Press the equals button (=) to see the result of your calculation.
  • Clear: Use 'C' to clear the current entry or 'AC' (All Clear) to reset the entire calculator.
  • Backspace: Use the '⌫' button to delete the last digit entered.
Example Calculation

Let's say you want to calculate 50 + 100:

  1. Click the '5' and '0' buttons.
  2. Click the '+' button.
  3. Click the '1', '0', and '0' buttons.
  4. Click the '=' button to get the result: 150.
Frequently Asked Questions

Need More Power?

Explore our Scientific Calculator for more advanced functions.