Combinations Calculator by Calculator.iO
Free WordPress Plugin: Free Combinations Calculator (nCr) to instantly find the number of ways to choose r items from n possibilities where order doesn't matter. Try it now! www.calculator.io/combinations-calculator/
★ 5stars
Install
This is the repository archive. It installs, but the folder name will carry the branch suffix and updates will not flow.
Install straight from GitHub with WP-CLI:
wp plugin install https://github.com/pub-calculator-io/combinations-calculator/archive/refs/heads/master.zipNo built-in updater. New versions won't appear under Dashboard → Updates. Install new releases yourself, or let Git Updater track the repository.
Combinations Calculator Widget for WordPress
Free Combinations Calculator (nCr) to instantly find the number of ways to choose r items from n possibilities where order doesn't matter. Try it now!

Installation
- Download the ZIP file of this repository.
- Upload the /combinations-calculator-master/ folder to the /wp-content/plugins/ directory.
- Activate the Combinations Calculator plugin through the "Plugins" menu in WordPress.
Usage
- Add the shortcode
[calcio_combinations_calculator]to your page, post or sidebar. - Or add the following code:
<?php display_calcio_combinations_calculator(); ?>to your template where you would like the Combinations Calculator to appear.