From: gordon+usenet@drogon.net   
      
   In article ,   
   Jeff Blakeney   wrote:   
   >On 2022-07-03 5:09 p.m., Gordon Henderson wrote:   
   >> I'm trying to track down a program I saw/used back in the very early   
   >> days (ie. 78/79) which would plot functions in either cartesian or polar   
   >> plot modes in HGR on the Apple II   
   >>   
   >> You'd edit the program to change a DEF FN... line then RUN it and it   
   >> would display the plot.   
   >>   
   >> What I don't know is if it was something written by one of the teachers   
   >> in my school/region at the time (In Edinburgh, Scotland) or something   
   >> supplied with the Apple II - although I've searched all the disks I have   
   >> and not found it.   
   >>   
   >> (Googles not helping me, so I'm suspecting it was written locally)   
   >>   
   >> Does this ring any bells with anyone? If so, then please let me know.   
   >   
   >I seem to recall seeing programs like this.  I'm sure there are probably   
   >many programs that do this sort of thing and it isn't that hard to   
   >create.  They've probably been published as program listings in   
   >magazines as well.  Unfortunately, I can't give any direct answer or links.   
      
   Thanks. I'm writing another (in my own BASIC dialect, not an Apple one)   
   and wanted to see if I could run the first one I used all those years   
   back just for comparision, but it's looking more like something someone   
   locally might have put together than an Apple demo program now...   
      
   >The ones I remember playing with did "3D" graphs which I found rather   
   >cool looking at the time.   
      
   Not graphs as such, but Graforth was a 3D thing I remember using back   
   then..   
      
   Cheers,   
      
   Gordon   
      
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