PDQ Algorithm

Description:PDQ finds best rational approximations, with infinite precision. This means it finds the two smallest integers whose ratio is equal to some target real number plus or minus some desired tolerance. In other words, it finds the simplest fraction in any given interval. Unlike other methods, it always finds the unique best answer, and uses the infinite precision of CAS long integers.
Author:Joseph K. Horn: http://HolyJoe.Org
Downloaded file size:5087 bytes
Size on calculator:1 KB
Platforms:HP Prime
User rating:Not yet rated (you must be logged in to vote)
Primary category:Math/Symbolic
File date:2015/08/19 00:16:21
Source code:Included
Site update history:2015/08/19: Updated (no version number specified)
2013/12/28: Added to site
Archive contents:
  Length     Date   Time    Name
 --------    ----   ----    ----
      402  08-16-15 17:06   d2f.txt
    11883  08-16-15 17:05   pdq.htm
      727  08-16-15 17:07   pdq.txt
 --------                   -------
    13012                   3 files
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Part of the HP Calculator Archive,
Copyright 1997-2017 Eric Rechlin.