THE most useful application to perform product multiplication(rule of 3). The PRO version is provided without Ads, for a better user experience. The result can be copied to the clipboard with a shortcut button.
Rule of 3- CrossMultiplication is a free educational mobile app By emmanuel orvain.It helps students practice the following standards .
Software Version: 3.2
Release Date: 2015-12-16T02:41:44Z
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