Bill Jelen

Books
VLOOKUP Awesome Quick VLOOKUP Awesome Quick
VLOOKUP Awesome Quick
2012
Excel Dynamic Arrays Straight to the Point 2nd Edition Excel Dynamic Arrays Straight to the Point 2nd Edition
Excel Dynamic Arrays Straight to the Point 2nd Edition
2020
Microsoft Excel 2019 VBA and Macros Microsoft Excel 2019 VBA and Macros
Microsoft Excel 2019 VBA and Macros
2018
ChatGPT For The Rest of Us ChatGPT For The Rest of Us
ChatGPT For The Rest of Us
2026
Train Your Own GPT Train Your Own GPT
Train Your Own GPT
2025
Microsoft Excel VBA and Macros Microsoft Excel VBA and Macros
Microsoft Excel VBA and Macros
2025