It’s time to go analog with your navigation tools. Using a map and compass is one of the most reliable foundational skills of the wilderness.

This article explains how to use the iPhone compass and level. Instructions apply to iPhones running iOS 12 and iOS 11 except as noted. How to Use Your iPhone's Built-In Compass ...

Constructions are accurate drawings of shapes using a ruler and protractor, a pair of compasses, a pencil and a ruler ...