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From: Simon Wright <simon@pushface.org>
Subject: Re: Ada Connections to this Crypto.
Date: Mon, 15 Dec 2014 16:17:17 +0000
Date: 2014-12-15T16:17:17+00:00	[thread overview]
Message-ID: <lyr3w028he.fsf@pushface.org> (raw)
In-Reply-To: dfc62625-dc73-4277-ac65-bbfaafe6c653@googlegroups.com

mrvmurray@gmail.com writes:

> Very many folks can do binary<->decimal conversion on their fingers,
> and binary<->hex conversions in their sleep.

People who programmed the Ferranti F1600 series of military computers
could count up to 31 on the fingers of one hand (the register-address
field in the instruction was 5 bits).


  reply	other threads:[~2014-12-15 16:17 UTC|newest]

Thread overview: 56+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-12-14 17:20 Ada Connections to this Crypto Austin Obyrne
2014-12-14 18:00 ` mrvmurray
2014-12-14 18:10 ` Björn Lundin
2014-12-14 18:42   ` mrvmurray
2014-12-14 20:28 ` Simon Wright
2014-12-14 21:00   ` mrvmurray
2014-12-15  8:50   ` Austin Obyrne
2014-12-15 10:06     ` mrvmurray
2014-12-16 11:47     ` john
2014-12-16 14:25       ` mrvmurray
2014-12-17 23:43         ` Simon Clubley
2014-12-18  1:07           ` Denis McMahon
2014-12-18  7:33             ` MM
2014-12-18  7:37             ` Austin Obyrne
2014-12-18  7:47               ` MM
2014-12-18 23:25               ` Denis McMahon
2014-12-19  8:07                 ` MM
2014-12-19  8:09                 ` Austin Obyrne
2014-12-19  8:24                   ` MM
2014-12-19  9:02                     ` Austin Obyrne
2014-12-19  9:13                       ` MM
2014-12-19  9:50                       ` Austin Obyrne
2014-12-19 10:18                         ` MM
2014-12-19 16:49                           ` Denis McMahon
2014-12-19 17:57                             ` MM
2014-12-20  9:25                               ` MM
2014-12-20 16:57                             ` Dennis Lee Bieber
2014-12-20 22:15                               ` MM
2014-12-16 17:00       ` Austin Obyrne
2014-12-16 17:32         ` mrvmurray
2014-12-15  9:30   ` Austin Obyrne
2014-12-15 10:17     ` mrvmurray
2014-12-15 13:34   ` Austin Obyrne
2014-12-15 14:10     ` mrvmurray
2014-12-15 16:17       ` Simon Wright [this message]
2014-12-15 16:26         ` mrvmurray
2014-12-15 17:59         ` Austin Obyrne
2014-12-15 18:44           ` mrvmurray
2014-12-15 19:06           ` Mark Carroll
2014-12-16  8:53             ` Austin Obyrne
2014-12-16  9:43               ` mrvmurray
2014-12-23  1:37               ` Denis McMahon
2014-12-16 17:17             ` Austin Obyrne
2014-12-16 17:28               ` mrvmurray
2014-12-15 20:08           ` Shark8
2014-12-15 14:27     ` Mark Carroll
2014-12-15 15:02       ` mrvmurray
2014-12-15 19:49     ` erlo
2014-12-15  6:14 ` Denis McMahon
2014-12-15  9:02   ` Austin Obyrne
2014-12-15 10:19     ` mrvmurray
2014-12-15 16:02     ` Denis McMahon
2014-12-15 19:49     ` Pascal Obry
2014-12-16  8:58       ` Natasha Kerensikova
2014-12-15 21:53     ` Shark8
2014-12-16  3:22       ` Denis McMahon
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