Scientific Calculator
Full-featured scientific calculator with trigonometry and logs
100% private. Your files and inputs never leave your device — everything runs locally in your browser.
How to Use Scientific Calculator
Full-featured scientific calculator with trigonometry and logs. No signup, no uploads, no watermarks.
- 1
Enter your numbers in the input fields.
- 2
Choose the calculation options or frequency.
- 3
The result updates instantly as you type.
- 4
Review the breakdown, chart, or schedule, and copy the answer.
Why choose Scientific Calculator?
- No uploads — your files never leave your device.
- Free forever with no signup, no watermarks, and no limits.
- Works on any device with a modern browser — no installs.
- Fast, private, and built for getting the job done in seconds.
Frequently Asked Questions
What order of operations is used?▾
Parentheses are evaluated first, then exponents (^), then multiplication, division and modulo, and finally addition and subtraction. Function calls bind to their argument inside parentheses.
Which functions and constants are supported?▾
The calculator supports sin, cos, tan, asin, acos, atan, log (base 10), ln, log10, sqrt, abs, floor, ceil and round, plus the constants pi and e. You can also enter multiple lines, one expression per line.
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