In this section of the Power Apps users guide posts related to functions and expressions in Power Apps.
The Launch function
In this post I’m looking at the Launch function. how can you make sure that when you select a link in a Power app that a new window is opened? for example when an app opens another app this might be useful.
Weekday and calendar functions
In this post you will find more information about the functions available in Power apps that can help you with calculations to do with the days of the week.
Self, With, SetFocus, IsType and AsType
Some functions in this post that really made Power Apps so much easier to develop proper apps with.