1. Commodore #BASIC (high school)

2. #C/QNX (high school)

3. #COBOL (college & university)

4. #SQL (university)

5. #VisualBasic (1997)

6. #JDEdwards (2001)

7. #JavaScript (2008)

8. #OSX BASH (2011)

9. #ObjectiveC (2012)

10. #PHP (2013)

11. #GNU BASH (2013)

12. #Python (2017)

13. #ELisp (2021)

14. #Golang (2022)