Newsgroups: comp.binaries.ibm.pc.d
Path: utzoo!utgpu!news-server.csri.toronto.edu!rpi!zaphod.mps.ohio-state.edu!menudo.uh.edu!svec5
From: svec5@menudo.uh.edu (T.C. Zhao)
Subject: Re: Program that evaluates equations ..
Message-ID: <1991Apr26.034148.10724@menudo.uh.edu>
Organization: University of Houston
References: <1991Apr25.114053.8398@uwasa.fi> <SUHONEN.91Apr25153137@kunto.jyu.fi> <3249@mtecv2.mty.itesm.mx>
Date: Fri, 26 Apr 1991 03:41:48 GMT

In article <3249@mtecv2.mty.itesm.mx> josevela@mtecv2.mty.itesm.mx (Jose Angel Vela Avila) writes:
>suhonen@kunto.jyu.fi (Timo Suhonen) writes:
>
>>   > I'm looking for a program in Pascal or C, that read a equation from the
>
>>About two years ago I wrote such a program. It reads a string and compiles 
>>it to dynamic list and evalutes that list (quite fast). You can set variables
>>and use TP's build-in functions like sin, cos, ln etc. 
>
>>If needed, I can put the code into garbo archive (and nic.funet.fi) for
> Please put it in garbo !! and thank you !!

The scanner and parser in GNUPLOT is pretty powerful and ready
to use, it also evaluates functions with complex variables.