Exercise of Definite Clause Grammars

Hi!

I have problem how to write swi-prolog program which count aritmetic
value. I have to use DCG. This program should add, subtract, multiply
and see brackets.

E.g.

?- arytm(['(',1,'-',4,')','*',9], W).
W = -27
Yes

Thx for help!

On Tue, 1 Apr 2008 17:12:07 -0700 (PDT), szwejk <szwejkc@gmail.com>
wrote:

>Hi!
>
>I have problem how to write swi-prolog program which count aritmetic
>value. I have to use DCG. This program should add, subtract, multiply
>and see brackets.
>
>E.g.
>
>?- arytm(['(',1,'-',4,')','*',9], W).
>W = -27
>Yes
>
>Thx for help!

Means, we should write program for you?...

A.L.

On 2 Kwi, 02:45, A.L. <alewa...@zanoza.com> wrote:
> On Tue, 1 Apr 2008 17:12:07 -0700 (PDT), szwejk <szwe...@gmail.com>
> wrote:
> 
> 
> 
> 
> 
>
> Means, we should write program for you?...
>

I'd be very glad, but if You show me only how to start I'll be
thankful.

szwejk