Numerology: 17 Years in the App Store (Part 3)

This is part 3 of my blog series on the history of my app Numerology. See Part 2 here . The Birth of Cocoa In 2001, Apple released the first version of Mac OS X 10.0, the first desktop version of their new OS based on NEXTStep. All the great APIs from NeXTStep (hence the NS prefixes to all the class names and such) together were called Cocoa. Now I finally had my chance to use the wonderful…