Free Online Calculator
Simple and scientific calculator — fast, accurate and free to use!
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📋 CALCULATION HISTORY
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💡 HOW TO USE
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Click numbers and operators to build your calculation, then press = to see the result.
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Press C to clear everything, or ⌫ Delete to remove the last digit.
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Switch to Scientific mode for advanced functions like sin, cos, square root, and more.
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Click any item in the History section to load that result back into the calculator.
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You can also use your keyboard — type numbers and operators directly!