1. Simple formulas (sum and average)
2. Simple formulas (index match)
3. String manipulation formulas 1
4. String manipulation formulas 2
5. Implied formulas - mortgage example
6. Implied formulas - physics example
7. Sample data generator
8. Custom formatted cell types
9. Formula explainer
10. Pivot tables
11. Analyze data from Excel
12. Enables macros in Excel
13. Create simple formatting macro with ChatGPT
14. Create complex macro with ChatGPT
15. Set up environment for ChatGPT API in Excel
16. Set up connection between Excel and ChatGPT API
17. Test API outputs
18. Macro API use case for ChatGPT
19. Macro API use case for ChatGPT - fixing errors
20. Macro API use case - adding ChatGPT context