Regra de Tres facil

simple 3-rule app (math) (calculate 3-rule)

complete application of rule of three in a simple and easy way (math)

the Rule of Tres Facil app is a great tool for learning, simple formula with this excellent application.

characteristics:

- Rule of 3 very easy to understand.

- You don't need internet.

- Language entirely in Portuguese.

- Explanation of how to do the account.

- Great design

- Simple three rule calculator

* Learn Rule of 3 simple in a very easy way.