Math calculators
Scientific Calculator
A browser-based scientific calculator for everyday math, trig, and logs. Runs locally — nothing is uploaded.
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Trig functions use degrees.
How to use
- Tap digits and operators like a desk calculator.
- Use scientific keys (sin, cos, tan, log, ln, √, xʸ) as needed.
- Press = for the result; C clears.
Features
- Basic arithmetic and parentheses-free chain ops
- Trig (degrees), log, ln, square root, and power
- Keyboard-friendly number pad layout
Privacy & how it works
This calculator runs entirely in your browser with JavaScript. Your inputs are not uploaded to ToolsWeb servers for this tool. Privacy Policy · Disclaimer.
FAQ
Are trig functions in degrees or radians?expand_more
Degrees. Convert to radians manually if your problem requires it.
Is this a full expression parser?expand_more
It works like a classic calculator (operation chaining). For long algebraic expressions, break them into steps.
Is this calculator free?expand_more
Yes. No signup required.
Are my numbers uploaded?expand_more
No. Calculations run in your browser. Inputs are not sent to ToolsWeb servers for this tool.
Is this professional advice?expand_more
No. Results are estimates for general information. See our Disclaimer for health, finance, and related tools.