Top 6 Apps Similar to Rule of 3

With this app you can calculateproportionsusing the Rule of Three with just one click.Additionally you can display the calculation method.Without advertising!Rule of Three,mathematic, cross multiplication, proportions

Make any rule of three quick and easy! Very useful in the dailylife

Essential boating app - expert reference, learning &revisiontool for seafarers

Without using fingers, you will be able to multiply and divide.

help people to solve math problems in comfortable and easy way.

675+ Rapid Math Tricks and Tips.