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電卓

シンプルなオンライン電卓。

Features

  • Clean, intuitive interface for easy calculation
  • Basic arithmetic operations including addition, subtraction, multiplication, and division
  • Calculation history to track and review previous results
  • Responsive design that works seamlessly on all devices
  • Quick clear and reset functions for efficient workflow

How to Use

  1. Enter numbers using the on-screen keyboard or your physical keyboard
  2. Select the desired operation (+, -, ×, ÷) between your numbers
  3. Press equals (=) or Enter to calculate the result
  4. View your calculation history by clicking on the history button

Frequently Asked Questions

How do I clear the calculator?

Simply press the 'C' button to clear the current calculation. Use 'AC' to clear everything including the history.

Can I use keyboard shortcuts?

Yes, you can use your keyboard for numbers and basic operations. Press Enter to calculate and Escape to clear.

Is the calculator history saved?

No, the history is temporary and will be cleared when you refresh the page or close the calculator.

What calculations can I perform?

Our calculator supports basic arithmetic operations: addition, subtraction, multiplication, and division.

Is this calculator mobile-friendly?

Yes, our calculator is fully responsive and works perfectly on smartphones, tablets, and desktop computers.