POV-Ray : Newsgroups : povray.binaries.images : graphing calculator - why not :) : graphing calculator - why not :) Server Time
7 Aug 2024 19:25:33 EDT (-0400)
  graphing calculator - why not :)  
From: Mike Williams
Date: 16 Dec 2005 20:45:53
Message: <xRl$LQAK02oDFwQQ@econym.demon.co.uk>


>> -----BEGIN PGP SIGNED MESSAGE-----
>> Hash: SHA1
>High!
>
>>      Nonono, reverse polish is done with this:
>> - -1
>> phong
>> 1
>> phong_size
>> finish
>> 
>>      ;)
>
>
>Hehe... the whole sub-thread wouldn't have started if Charles had used 
>an upper case "p" for his "polish"... back in 1984, I read in the 
>then-popular German computer magazine "RUN" an article about Forth, a 
>programming language which just had been made available for the 
>Commodore 64. I really do not know much about Forth, but I remember that 
>its design strongly is based on stacks, which leads to a syntax which is 
>rather strange compared to other programming language: the "Inverted 
>Polish Notation". Obviously, (one of) the mathematician(s) who invented 
>Forth hailed from Poland...
>
>See you in Khyberspace!

The term "Reverse Polish Notation" was coined by Hewlett-Packard
engineers to describe the method used in their early calculators. I
guess they had trouble pronouncing "Reverse Lukasiewicz Notation". (The
"L" should be pronounced something like a "W")

http://www-history.mcs.st-and.ac.uk/Mathematicians/Lukasiewicz.html

-- 
Mike Williams
Gentleman of Leisure


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