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From: togood@roger.lerc.nasa.gov (Chris Miller)
Newsgroups: comp.lang.pascal
Subject: Re: Help Me!!! What's wrong with this simple problem?
Message-ID: <1990Nov28.164132.1576@eagle.lerc.nasa.gov>
Date: 28 Nov 90 16:41:32 GMT
References: <527@shum.UUCP> <19956@oolong.la.locus.com> <28893@shamash.cdc.com>
Reply-To: togood@roger.UUCP (Chris Miller)
Organization: NASA/Lewis Research Center, Cleveland
Lines: 19

In article <28893@shamash.cdc.com> mpe@shamash.UUCP (Mike Ebsen) writes:
>What's wrong with this problem in Turbo Pascal 5.0...
>
>      Program test;
>      var
>        i : integer;
>        j : word;
>      begin
>        j:=3;
>        i:=j-10;
>        writeln(j,'     ',i);
>      end.
>
>My compiler tells me that the assignment of -7 into i (an integer) 
>is an error.

Because j is of type word, the compiler is attempting to evaluate j-10 as type
word.  You must force it to be an integer.  One way is:
         i:=integer(j-10);