Rule Of Proportion Pro .APKs

Proportions are no problem anymore. For this, only 3 of 4 variables must be entered. All calculations are stored in the history. The final solution can be shared.

[ Content ]
– the variables must be entered
– calculation with the rule of proportion
– history function that saves input
– detailed solution
– the entering of fractions and decimals is supported
– constants can be entered
– no ads!

[ Usage ]
– there are 4 fields for entering the values ​​using a modified keyboard
– if you have entered wrong values or values are missing, the text fields are highlighted
– you can switch between the solution, input view and history by swiping and / or touching the buttons
– the entries in the history can be deleted or sorted manually
– if you select an entry in the history, it will be loaded automatically for the calculation
– the entire history can be deleted by pressing a key