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zeeglen
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Binary Puzzle
zeeglen   1/3/2014 9:25:34 AM
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Great analysis, David!  Wonder who first invented this puzzle?

antedeluvian
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Excel
antedeluvian   1/3/2014 10:36:48 AM
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David

I do so love it when Excel is used for electonics purposes. However in your case I see it was only a tool to support your insight.

I hope you don't mind if I subvert the thread and point your readers to my blogs on the use of Excel in electronics on Planet Analog. There are at least 4 more to come over the next 6 months. One is due out any day now.

zewde yeraswork
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application
zewde yeraswork   1/3/2014 10:40:57 AM
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Could that puzzle be used somehow to some sort of practical end or application?

Max The Magnificent
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Re: application
Max The Magnificent   1/3/2014 11:22:45 AM
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@Zewde: Could that puzzle be used somehow to some sort of practical end or application?

My "knee-jerk" reaction is to say "Almost certainly!" I base this on the fact that I don't recall learning anything that did not eventually come in handy for something or other :-)

Aeroengineer
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Re: Excel
Aeroengineer   1/3/2014 12:23:28 PM
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I do look forward to your posts on Excel.

BrainiacV
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Most excellent dude!
BrainiacV   1/3/2014 1:17:37 PM
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I have a binary clock (BCD format) in my office on top of my computer to confuse people.

I'll have to print up a copy of those cards for my own neferious purposes.

David Ashton
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Re: Excel
David Ashton   1/3/2014 4:55:47 PM
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@Antedeluvian - of course I don't mind!  I am also looking forward to more of your articles.   I have a very good book called Excel by Example by a guy called Aubrey Kagan (unfortunately now out of print) which has some very good Excel tricks in it.   I learned a lot from that! :-)

David Ashton
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Re: application
David Ashton   1/3/2014 4:59:07 PM
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@Zwede - as I said, for the uninitiated you could use it as a decimal to binary converter for numbers less than 64.  Just write "32 16 8 4 2 1" and underneath those numbers, write a 1 if your number is on the corresponding card, and 0 if it is not.  Bingo - Binary representation of your number!

betajet
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Octal representation
betajet   1/3/2014 6:04:11 PM
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You can see how the cards work more easily if you represent the numbers in octal.  But then you'd have a harder time amazing your friends and relatives with your mind-reading ability.

Wnderer
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Dynomite Magazine
Wnderer   1/4/2014 9:23:05 AM
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I had those cards. They came as an insert in Dynamite Magazine, a kid's magazine back in the seventies.

http://www.retroland.com/dynamite/

Thanks for the memory.

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