Quadratic Focus & Directrix

Description:This is an aplet which lets you explore the relationship between the focus and the directrix of a quadratic equation/graph.
Filename:quadfocus39.zip
ID:5637
Author:Colin Croft: https://web.archive.org/web/20240524015804/http://hphomeview.com/
Downloaded file size:11,903 bytes
Size on calculator:2 KB
Platforms:39/40  
User rating:Not yet rated (you must be logged in to vote)
Primary category:Math
Languages:ENG  
File date:2003-05-20 13:00:26
Source code:Not included
Download count:4,456
Version history:2003-05-20: Added to site
Archive contents:
  Length     Date   Time    Name
 --------    ----   ----    ----
      984  04-27-03 16:10   explore.prg
       65  04-27-03 16:10   function.prg
      141  04-27-03 16:10   HP39DIR.000
       31  04-27-03 16:10   HP39DIR.CUR
       55  04-27-03 16:10   plot.prg
     1206  04-27-03 16:10   Quadfocs.apt
    24064  04-19-00 12:53   Quadfocs.doc
       77  04-27-03 16:10   start.prg
 --------                   -------
    26623                   8 files
Screenshot:Screenshot
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Part of the HP Calculator Archive,
Copyright 1997-2024 Eric Rechlin.