Calculator
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Perform basic math or advanced scientific calculations instantly. Supports trigonometry, logarithms, and exponents directly in your browser.
This versatile tool functions as both a standard calculator for everyday arithmetic and a scientific calculator for complex equations.
Everything runs locally in your browser using JavaScript, ensuring your calculations remain 100% private and the tool works offline.
Yes. After the first load, everything runs in your browser.
No. We don’t send your input anywhere — it stays on your device.
A number followed by % is a percentage of 1. For
example, 12% becomes 12/100, so
12% * 200 = 24.
Basic arithmetic with parentheses:
+ − ×
÷ (also * and /),
decimals, and %.
That’s normal with floating-point math in browsers. You may see
tiny rounding artifacts (e.g.,
0.30000000000000004).
Yes. It works in any modern mobile or desktop browser.
Not in this tool — it keeps things simple. For advanced math, use a scientific calculator.