Open an Excel workbook on your PC. You can now close the VBA window and go back to your Excel sheet. Pick a cell, type =AddOdd (B4:B14) and hit Enter to calculate the total odd numbers in a given ...

Back in 2020, Reddit user /u/KrakenOfLakeZurich created a Sudoku solver in Microsoft Excel. It only uses formulae and conditional formatting, and it's available for both Excel and LibreOffice Calc.