Off the top of my head, "A Beautiful Mind" (ugh), and, more closely, Arnofsky's "Pi" (though only the Greek symbol for Pi is the official title).
>From: "..:::: luis gaspar ::::.." <
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>Reply-To: Film-Philosophy Salon <
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>To:
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>Subject: Criptography and computers in Film
>Date: Sun, 3 Aug 2003 16:10:44 +0200
>
> Hi all!
> I´m writting an essay on criptography, codebreakers, computers and
>libertarism. Does anybody know about films and documentarys of this subject?
>
> Thanks in advance,
> Luis Gaspar