David, at 08:13 on Mar 16 1996, you wrote to Bill Grimsley...

BG> An abacus is a computer of sorts, is it not ?  :)

DD> A stored memory device actually.  The human still does the calculating.

BG> Ah, so it's sort of a hard drive made from wooden balls then...

DD> I suppose, but unlike a hard drive, if you tip an abacus on its side it 
DD> will  tend to alter the memory contents.

Does this mean that Paul should only ever sleep on his back?

Regards, Bill

--- Msgedsq/2 3.20