Dear users of JESS,

I am a student which have to use JESS for my Project.
I have to write a knowledge-based component for fraction
calculation. But I am just a beginner of JESS and also new for
programming.

Can anyone help me about the following problems?
1) Can i write a function which can convert infix notation of a fraction
   into prefix or postfix notation in JESS so that i can store the
   prefix/postifx string into database?
   Is there any function for stack in JESS? anyone can give me some
   examples on coding on this problem?

2) For storing the data, can i connect the database to JESS program
   directly, or I have to use JAVA program for database management?

3) if i have more than two fractions, and i will input them to my JESS
   program. how can i read them two by two and do the same operations and
   rules on these two fractions?

Please help me. Thanks in advance

Best Regards,
BPoon
[EMAIL PROTECTED]

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