Calculator is a free online tool. Standard and scientific calculator with history No signup required - use it directly in your browser.

Yes, all tools provided by WebTools are completely free to use with no signup required.

Absolutely safe. All data processing happens locally in your browser. Nothing is uploaded to any server, ensuring your privacy is fully protected.

Do I need to install software to use Calculator?

No installation needed. All tools run in your browser - just open the page and start using them immediately.

What operations does this calculator support?

The calculator supports addition, subtraction, multiplication, division, and percentage calculations. It follows standard order of operations (PEMDAS).

Is my calculation history saved?

Your calculation history is stored locally in your browser session. It is not sent to any server and will be cleared when you close the browser tab.

Can I use keyboard shortcuts?

Yes, you can use your keyboard for number input, operators (+, -, *, /), Enter for equals, and Escape or C for clear.

How do I calculate a percentage?

Use the percentage button to calculate percentages. For example, entering '200 × 15%' will calculate 15% of 200, which is 30.

Can I clear the calculation history?

Yes, you can clear the entire history with the clear history button, or remove individual entries from the list.

Is this calculator free to use?

Yes, this calculator is completely free with no usage limits. All calculations are performed in your browser with no server involvement.

Calculator

A fast, easy-to-use online calculator with a full calculation history. Perform addition, subtraction, multiplication, division, percentages, and more. Every calculation is recorded so you can review and reuse past results.

History

No calculation history

Keyboard Shortcuts

0-9: Number input

+ - * /: Operators

Enter/=: Calculate result

Esc/Del: Clear

Backspace: Delete

.: Decimal point

%: Percentage

( ): Parentheses

Online Calculator

Basic arithmetic: addition, subtraction, multiplication, division
Percentage calculations
Full calculation history with timestamps
Click any past result to reuse it in a new calculation
Keyboard support for fast input
Clear history or individual entries
All processing happens locally in your browser

How to Use the Online Calculator

1
Enter your calculation
Type or click the buttons to input numbers and operators for your calculation.
2
Get the result
Press Enter or click the equals button to see the result instantly.
3
Review your history
All past calculations are listed in the history panel with their results.
4
Reuse past results
Click on any previous result to insert it into the current calculation.

Calculator

Online Calculator

How to Use the Online Calculator

Frequently Asked Questions

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Calculator

Online Calculator

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