A Big Calculator for Windows

Used A Big Calculator for Windows?

The Download Now link will prompt a local download of the Google Chrome extension. To install the extension directly, open the file using your Chrome browser.

Editors’ Review

Download.com staffMarch 12, 2026

This application provides a basic calculator directly within your web browser. It offers convenient access to arithmetic functions without needing a separate application or tab.

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Trial version

Pros
- Offers calculator functionality.
- Available directly within the browser.
Cons
- Limited to basic arithmetic functions.
- No support for scientific calculations.
- Lack of memory storage functionality.