# Your First iOS & SwiftUI App: An App from Scratch, Episode 24: Challenge: How to Calculate the Difference | Kodeco

**URL:** <https://forums.kodeco.com/t/your-first-ios-swiftui-app-an-app-from-scratch-episode-24-challenge-how-to-calculate-the-difference-kodeco/191202>\
**Category:** 🎓 Courses & Articles\
**Created:** [August 24, 2023, 9:51pm UTC](https://forums.kodeco.com/t/your-first-ios-swiftui-app-an-app-from-scratch-episode-24-challenge-how-to-calculate-the-difference-kodeco/191202 "2023-08-24T21:51:13Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![rwenderlich](https://assets.chunter.kodeco.com/user_avatar/forums.kodeco.com/rwenderlich/32/108604_2.png) [@rwenderlich](https://forums.kodeco.com/u/rwenderlich)\
**Post date:** [August 24, 2023, 9:51pm UTC](https://forums.kodeco.com/t/your-first-ios-swiftui-app-an-app-from-scratch-episode-24-challenge-how-to-calculate-the-difference-kodeco/191202/1 "2023-08-24T21:51:13Z")

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This is a companion discussion topic for the original entry at [https://www.kodeco.com/28797163-your-first-ios-swiftui-app-an-app-from-scratch/lessons/24](https://www.kodeco.com/28797163-your-first-ios-swiftui-app-an-app-from-scratch/lessons/24)