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A simple tool for your everyday arithmetic needs.
Click the number and operator buttons to build your mathematical expression, like `12 * 5 - 10`.
The display shows your complete calculation in real-time, so you can see exactly what you're typing.
Click the '=' button to evaluate the entire expression and see the final result instantly on the display.
Yes, this calculator uses standard JavaScript floating-point arithmetic for its calculations, which is accurate for all typical everyday needs. It's perfect for basic math.
Absolutely. The entire calculator runs in your browser. None of the numbers or calculations you perform are ever sent to our servers. Your activity is completely private.