With Rule of Three, you will be able to solve simple and compound direct and inverse rules of three in the easiest way.

Enter your data and see the results immediately.

With the application you will be able to calculate:

* Simple rule of three
* Simple inverse rule of three
* Compound rule of three
* Inverse compound rule of three

And if you want to save the result you can do it and consult it whenever you want in "History".

All this makes the app ideal for all kinds of percentage calculations, rule of three for nursing, or rule of three for medicines.