justbustr@stroughtonsmith Mathintosh is a fun new calculator, tip calculator, and unit converter that launched just last week. Includes many customizations, calculation history, a widget, and Control Center support. Free to download, no ads or data collection, and all functionality included. Offers in-app purchase for additional themes, many of which are vintage computing-themed.
1.1 update in the works now with iOS 26 support and a matching Watch app!
App Store: https://apps.apple.com/us/app/mathintosh/id6746828132
