Rule of Proportion PRO
iOS app by Glindemann, Sennoun, Langer GbR. Education · Glindemann, Sennoun, Langer GbR
- Store rating
- 5 / 5
- Store rating count
- 3
- Download price
- 1.99 USD
- In-app purchases
- Unknown
- Version
- 2.2.3
- Listing last refreshed
- 2026-09-08
View the original store listing
Store description excerpt
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
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