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From: rich55@hound.UUCP (R.GORE)
Newsgroups: net.med
Subject: Re: number visualization
Message-ID: <1587@hound.UUCP>
Date: Fri, 3-Jan-86 12:54:32 EST
Article-I.D.: hound.1587
Posted: Fri Jan  3 12:54:32 1986
Date-Received: Sat, 4-Jan-86 05:19:58 EST
References: <1755@trwrba.UUCP> <498@sdcc12.UUCP>, <580@scc.UUCP>
Organization: AT&T Bell Labs, Holmdel NJ
Lines: 10

Interesting question!
I've always seen numbers as rows of domino-spots, and do 
my adding/subtracting from them.
e.g. 74 =   *     *
            *     *        *     *
               *
            *     *        *     *

Numbers as colors had never occurred to me before!