From: mailbox@dmitry-kazakov.de   
      
   On Wed, 28 Jun 2006 13:27:01 -0600 (MDT), Borked Pseudo Mailed wrote:   
      
   > 1. What I use a fuzzy calculator for? Do you have   
   >    a practical example?   
   >  2. Is there some web page with links to fuzzy   
   >   calculators?   
   > 3. What are the performance evaluation criteria for   
   >     Fuzzy calculators? What makes one good   
   >     and the other one bad?   
   > 4. Did you develop a fuzzy calculator? Do you   
   >    have a link? Is the source public domain?   
   >    Why did you do it? How long did it take?   
   > 5. What are the learning outcomes to be achieved   
   >    by doing one's own fuzzy calculator? Is it   
   >    time well spent? (I mean intellectually; I have   
   >    a steady job, not very demanding intellectually,   
   >    that pays my bills and comes with good benefits;   
   >    I have an after hours math hobby).   
      
   AFAIK, Nico du Bois wrote one.   
      
   > If I decide to develop one, I need to decide how.   
      
   Well, no. You start with the requirements. 'How' is about an implementation   
   of those.   
      
   > I understand fuzzy arithmetic. I tried to do fuzzy   
   > arithmetic by ´manual construction¡ (point by point).   
      
   Do you mean fuzzy numbers? Linguistic variables? General fuzzy sets?   
      
   > I get good results, repeatable and consistent with   
   > books. I am not so good with software. I can do   
   > simple programs in C and C++, but I am really lousy   
   > with GUIs.   
      
   OK, see above. Requirements first: should it be platform-independent?   
   Graphical / console (scripting)? An embeddable / pluggable component (as a   
   widget or applet) etc. Language choice is secondary to requirements.   
      
   GUI developing is boring, but simple. You would probably have much more   
   problems with writing a compiler, if you choose to allow expressions and   
   named variables in your calculator.   
      
   [ I have an implementation of fuzzy numbers, and an almost ready compiler   
   (from FCL). Some GTK widgets for fuzzy sets/linguistic variables are   
   implemented / planned, but I don't know when I will be ready.]   
      
   --   
   Regards,   
   Dmitry A. Kazakov   
   http://www.dmitry-kazakov.de   
      
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