Blog

How to use Scientific Calculator

What Scientific Calculator does#

A full scientific calculator in your browser: sine, cosine, tangent and their inverses, natural and base-10 logarithms, exponentials, powers and roots, factorials and constants like π and e. Perfect for students, engineers and anyone who needs more than basic arithmetic.

How to use it#

  1. Open the calculator.
  2. Type your numbers and expressions into the fields.
  3. Pick any options or modes you need.
  4. Read the result — it updates instantly. Copy it if you like.

Your privacy#

Scientific Calculator runs entirely in your browser. Your data never leaves your device: there is no upload, and nothing is stored on our servers.

Frequently asked questions

Is Scientific Calculator free to use?

Yes. Scientific Calculator is completely free and needs no account or sign-up.

Is it safe to use?

Your files never leave your browser, so it is as private as it gets.