Complete guide to using Scientific Calculator — a free online tool by akousa.net.
Get started in seconds — no signup required
A scientific calculator is an advanced calculator that supports complex mathematical operations beyond basic arithmetic. It includes trigonometric functions (sine, cosine, tangent), logarithms, exponents, roots, factorials, and mathematical constants like π and e. Our online scientific calculator works directly in your browser with no installation required.
Works directly in your browser — no downloads needed
All processing happens locally — your data never leaves your device
Download your results in multiple formats
Fully responsive design works on any device
Click the buttons or use your keyboard to enter calculations. Toggle between DEG and RAD modes for trigonometric functions. Use memory buttons (MS, MR, M+, M-) to store and recall values. View your calculation history by scrolling down. Press C to clear all or CE to clear the current entry.
Scientific Calculator is a free, browser-based tool that runs entirely on your device — no signup, no uploads, and no tracking. Built for speed and privacy, it gives you instant results without leaving the page.
Developers, designers, students, and everyday users rely on this tool for quick, accurate results. It's especially popular among people who need a reliable utility without installing software or signing up for an account.
Looking at alternatives to Scientific Calculator? Here's how we compare to similar tools available online.
| Feature | akousa.net | Other tools |
|---|---|---|
| Price | Free forever | Often paid or freemium |
| Privacy | Runs in your browser | Data sent to servers |
| Signup | Not required | Account often required |
| Ads & tracking | None | Ads and trackers common |
| Usage limits | Unlimited | Daily or file-size limits |
Add Scientific Calculator to your own website with a single line of code — free, no signup required.
Get embed codeScientific Calculator is also available as a developer API for use in your own apps and workflows.
View API docsConvert HTML code to clean, readable Markdown with instant preview.
Calculate percentages easily: find X% of Y, what percent X is of Y, or percentage change.
Convert between Unix timestamps and human-readable dates.
Convert text to binary, octal, decimal, or hexadecimal and back.
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