Software development from late 1970s to current:

• Atari 800 using Atari BASIC and Atari Assembler late 1970s
• IBM-PC 5150 Microsoft BASICA and Microsoft MASM early 1980s
• R:Base, D:Base mid 1980s - 1990s
• Lotus 1-2-3/macros early 1980s - late 1980s
• COBOL, IMS, CICS, DB/2, VSAM, IBM 3090 Mainframe late 80s - late 90s
• Microsoft Office development early 1990s - current
• Microsoft Excel early 1990s - current
• Microsoft Visual BASIC early 1990s - current
• SQL Server / DBA work early 1990s - current
• Access, Visual Foxpro early 1990s - current
• HTML, CSS, PHP, ASP, VBA etc late 1990s - current
• Data cleansing, ETL, analytics, import/export, reporting late 70s - current