Download Calculator Plus

Name: Calculator Plus
Author: Giới thiệu Kubet

By: Giới thiệu Kubet

Download Calculator Plus (current and past versions) for Firefox

Latest Version: 1.8.2 Updated: a year ago

Ready to install?

Calculator Plus is available to install from Firefox Add-ons Store and for download from this page.

View source code

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Total downloads

Available versions

You can find the current and older versions of Calculator Plus here. You can download the archived versions or inspect their source codes.

As a free user, you can download up to 3 latest versions.

Upgrade to download older versions

Version	Download	Size	Download count	Timestamp
1.8.2	XPI · ZIP · Source code	1.63MB	0	2025-03-06

2025-03-06 · 0 downloads

XPI ZIP Source code

Install XPI file

An XPI file, short for "XPInstall," is a compressed file format used primarily by Mozilla applications, like Firefox and Thunderbird, to distribute and install add-ons or extensions. These files are similar in function to CRX files for Chrome but cater to the Mozilla ecosystem.

Simply drag-and-drop the XPI into Firefox to install the add-on.

Install ZIP file

Download the Calculator Plus ZIP file.
In Firefox browser, go to about:addons to open Add-ons Manager
Click on ⚙, Install Add-on From File
Select the Calculator Plus ZIP file from step 1. Calculator Plus is now installed on your browser.