How to use the Scientific Calculator
- Click the buttons or type with your keyboard
- Switch between degrees and radians
- Press = to see the result
About this tool
Free online scientific calculator with trigonometry, logarithms, powers, roots, factorials and keyboard support. Scientific Calculator is part of ToolNest's collection of free math & converters. It works instantly in your browser with no account and no installation.
Frequently asked questions
Is the Scientific Calculator free to use?
Yes. Scientific Calculator on ToolNest is completely free, with no sign-up, no watermark and no daily limits.
How accurate is the Scientific Calculator?
Scientific Calculator uses standard, widely accepted formulas and calculates instantly as you type. Results are for general information — for important academic decisions, please confirm with a qualified professional or your institution.
Is my data saved anywhere?
No. Everything you enter stays in your browser. Nothing is sent to or stored on our servers.
Does Scientific Calculator work on mobile phones?
Yes. ToolNest works in any modern browser on Android, iPhone, iPad, Windows, Mac and Linux. There is nothing to install.