Simple Calculator

About

Simple Calculator

Free offline calculator with basic and scientific modes, history, sticky notes, and light/dark themes.


Detailed description:


Simple Calculator is a fast, free calculator that lives in your Chrome toolbar — no new tab, no
website, no account.

BASIC MODE
Addition, subtraction, multiplication, division, decimals, and percent (with Casio-style +/− percent
behavior).

SCIENTIFIC MODE
Trig functions (sin, cos, tan and inverses) with DEG/RAD switching, log, ln, square root, powers,
squares, cubes, factorial, π, e, memory keys, and more.

MORE FEATURES
• Calculation history — click any past entry to reuse it
• Built-in sticky note for jotting down quick numbers or notes
• Copy and paste support
• Full keyboard input
• Light and dark themes
• Works completely offline

PRIVACY FIRST
Simple Calculator runs entirely on your device. There are no ads, no accounts, no analytics, and no
network requests of any kind. Your history and notes are stored locally with Chrome's storage API and
are never sent anywhere. Full privacy policy: see the "Privacy practices" tab or
https://www.nhrsoft.com/simple-calculator/privacy-policy.html

Made by NHR Soft (www.nhrsoft.com).


Language:English

 
Are you using remote code?
No — all code is bundled in the extension package; nothing is fetched or eval'd from a remote source.

Data usage — disclosures to certify:
- Does not collect or transmit any of the listed data types (personal info, health info, financial info, authentication info, personal communications, location, web history, user activity, website content). Everything Simple Calculator stores stays in `chrome.storage.local` on the user's own device.
- Not sold or transferred to third parties.
- Not used for purposes unrelated to the extension's single purpose.
- Not used to determine creditworthiness or for lending.