How to use Calculator
What Calculator does#
A clean, no-frills online calculator for everyday arithmetic — addition, subtraction, multiplication, division and more. Type an expression and get the result instantly, right in your browser, with no ads getting in the way.
How to use it#
- Open the calculator.
- Type your numbers and expressions into the fields.
- Pick any options or modes you need.
- Read the result — it updates instantly. Copy it if you like.
Your privacy#
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 Calculator free to use?
Yes. 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.