iPhO Problems
is an app which allows you to filter the 172 iPhO Problems from 1967 to 2018 by categories which contain:
-- Mechanics
-- Electricity
-- Thermodynamics
-- Magnetism
-- Waves
-- Relativity
-- Circuits
-- Quantum
-- Optics
-- Other
You can also filter by ages e.g. 1980 - 2000 years.
![iPhone 7/ 7 Plus Microphone Not Working! Fix [iOS 15] screenshot 5](https://i.ytimg.com/vi/DJYgHZuA-r4/mqdefault.jpg)
9Apps 4.9
