Rule of Three is a productivity chrome extension. it's a free extension and is featured in Productivity, it has 81 active users since released its first version, it earns an average rating of 5.00 from 2 rated user, last update is 2207 days ago.
Sometimes you need to calculate some proportion math problem, such as "if 5 is 75%, then 10 is X". With this extension you can calculate this easily without having to memorize a formula.
You could download the latest version crx file or older version files and install it.
English.
You could find more help information from rule of three support page.
You could send emails to publisher, or check publisher's website.
You could click to report abuse of rule of three.