Fun anecdote: When I was in college, my dad read an article in the Wall Street Journal about Turbo Pascal, so he bought me a copy for my birthday. That was version 1. I stuck with TP through grad school and a little bit beyond. It seemed like there wasn't anything it couldn't do. Some of my hardware hacking adventures even required inline assembly. Some of the version bumps were really timely, such as a new compiler that created stand-alone executables. I was extremely lucky that the original TP ran on my non-PC-compatible MS-DOS machine, a Sanyo MBC550.

My graduate advisor had Microsoft FORTRAN, and I tried it out. It was a monstrosity. The compiler and linker had to be on separate floppies, and took eons. My advisor admitted that he had largely switched to BASIC.