Calc iOS App VS LibreOffice - Calc

Qalculate! - Qalculate! is a multiplatform multi-purpose desktop calculator.

Microsoft Office Excel - Microsoft Office Excel is a commercial spreadsheet application.

GetBricksApp - Bricks is a note-taking web app with a built-in calculator. It can be installed as a desktop or mobile app, because of PWA technology this app built with. Which is also makes it offline available. Notes created with Bricks can be shared.

Google Sheets - Synchronizing, online-based word processor, part of Google Drive.

PyCharm Community Edition - "The intelligent Python IDE with unique code assistance and analysis, for productive Python development on all levels."

Apple Numbers - Numbers lets you build beautiful spreadsheets on a Mac, iPad, or iPhone — or on a PC using iWork for iCloud. And it’s compatible with Apple Pencil.