How does it work?
- Type or paste your data.
- The result appears instantly.
- Copy or download the result.
Why use Scientific Calculator?
- ✓ 100% free, no limits, no watermark
- ✓ No sign-up, no install
- 🔒 Files processed locally: full privacy
- 📱 Works on desktop, tablet and mobile
Frequently asked questions
Can I type with my keyboard?
Yes, type the expression directly and press Enter.
How do I calculate a power?
Use the ^ key: 2^10 = 1024.
Is it allowed in exams?
No, exams usually require a physical calculator; use this one for revision.
How precise is it?
Calculations use double precision (about 15 significant digits).
Is this tool really free?
Yes, 100% free, with no sign-up, no watermark and no usage limit.
Are my files safe?
Yes. Processing happens directly in your browser: your files are never uploaded to a server or stored.