Cool! Though I'm glad I don't have to debug any of those expressions. On Sunday, May 14, 2023 at 10:52:45 AM UTC-4 jkn wrote:
> As a slight aside: I knew about the 'bc' (bench calculator) program in > Linux/Unix, and I also knew there was a 'dc' (desk calculator) in Linux/Unix > > What I didn't realise, and have only just learned, is: > > * dc is the original and runs RPN > * dc predates the C programming language; it is the oldest surviving Unix > program, and Ken Thompson has opined that it was the first one written (in > B) for the PDP-ll running Unix > * the BC program is written on top of dc. > > https://en.wikipedia.org/wiki/Dc_(computer_program) > > > On Tuesday, May 2, 2023 at 11:04:55 AM UTC+1 Edward K. Ream wrote: > > > > On Tue, May 2, 2023 at 4:35 AM jkn <jkn...@nicorp.f9.co.uk> wrote: > > s/write/right/, of course ;-o > > > Hehe. I remember *screaming* in frustration while using some nerdy > sed-like text editor while working at IBM 50+ years ago. My work on editors > began with those screams. > > Edward > > -- You received this message because you are subscribed to the Google Groups "leo-editor" group. To unsubscribe from this group and stop receiving emails from it, send an email to leo-editor+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/leo-editor/93f19513-61b5-4ac0-9cb5-bbcea0ac31aen%40googlegroups.com.