General use of excel

Budget management for families or business assets

Managing invoices and receipts

Tracking project, vendors and customers and health records of individuals

Manage apps and calendars

Create checklist and task list

Financial calculations, loans, debts and treaties

Property management

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Yes ... and more.

There is many more reasons to use excel. I have found really nice article about that with 21 reasons why you need to have it. After reading you can only wonder how to not know excel. You can even creat your own sudoku.

The bright minds over at Think Maths have developed a tool that lets you turn a digital photo into an Excel spreadsheet with the clever use of the conditional formatting feature in Excel. If you ever wanted to convert your photo collection into Excel pixel art, now you can. If you are interested you will find more details on think maths