Check this out:

Soulver - https://soulver.app

Notepad, meet calculator...

Soulver is a natural language notepad calculator app for the Mac, iPad & iPhone.

It is a better way to work things out than a traditional calculator, and a more lightweight tool for working through problems than a spreadsheet.

Here's an example from a real user:

https://x.com/hisaac/status/1355720844929019909