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Wednesday, 18 February 2009

Finger Counting



When I was at school, they told us that we had to learn to add and multiply because we could only count to ten on our fingers.

The instant response was that we could get to twenty using our toes (if we wore sandals all year round).

It didn't take much longer to figure out that 30 was achievable by counting 'ones' on one hand and 'fives' on the other (25 + 5).

But (despite my otherwise-solid geek credentials) it took my husband to point out that, actually, it's perfectly easy to count to 1023 on two hands... in binary :)

9 comments:

Mmm said...

Ooh, clever guy. Didn't realise that.

thx for your comment on my blog, btw.

Chef E said...

Sounds like we are married to similar guys, lol

flower said...

You can do your nine and three times tables on your hands really easily too.

Kazzy said...

I don't get the binary thing because I am married to a Lit professor. :)

Jenny Beans said...

Wow, that's something you don't hear every day. I had a professor in college who tried to talk to me about binary, but I just froze up and went into fetal.

Cheryl said...

I knew math class was a useless waste of time..

J Cosmo Newbery said...

There are 10 types of people in the world: those who understand binary numbers and those who don't.

Jeanne said...

It's not that I don't know the tables, I just can't seem to apply them consistently.

Dedene said...

This is exactly why I failed math in college!

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