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Fast, clean arithmetic calculator for everyday math — right in your browser.
Use number and operator buttons to build your equation.
Use backspace to remove the last character or AC to clear everything.
Press = to evaluate your expression instantly.
Addition, subtraction, multiplication, division, percentage, and parentheses.
Large keypad with immediate expression editing.
Invalid expressions are safely rejected with clear feedback.
All calculations run locally in your browser.
Yes, percentage operations are supported directly in expressions.
Yes, parentheses are supported for grouped operations and order of precedence.
No, all calculations are performed in your browser for speed and privacy.