About Scientificalc

Scientificalc started as a side project to fix a small but daily frustration: every time we needed a quick sine, log or factorial, the first results on the web were slow, cluttered, or buried under pop-ups. We wanted a calculator that loads instantly, respects your attention, and works well on a phone, tablet or laptop.

Who it's for

Our calculator is built for high-school and university students working through homework, teachers preparing examples on the board, and engineers or analysts who need a dependable scratchpad during the day. If you do math more than once a week, this tool is for you.

Our principles

• Speed first — every interaction should feel instant.
• Clarity over decoration — the result is the hero of the page.
• Privacy by default — calculations stay in your browser.
• Free forever for everyday use, supported by tasteful ads only.

Have a feature request or spotted a bug? Head to our contact page and tell us about it.