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MQSeries.net Forum IndexGeneral DiscussionLearning easy over Internet

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shashivarungupta
PostPosted: Fri Jul 01, 2011 7:31 am Post subject: Learning easy over Internet Reply with quote

Grand Master

Joined: 24 Feb 2009
Posts: 1343
Location: Floating in space on a round rock.

Happy Friday... to all of you...
By the presence of Internet things can be moved so fast from one end to another with the helping technologies (including our WMQ/MB World).

Making long story short...
I never knew such techniques for multiplication that I just found
Link1 AND Link2

Good Ones.
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mqjeff
PostPosted: Fri Jul 01, 2011 7:43 am Post subject: Reply with quote

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Joined: 25 Jun 2008
Posts: 17447

The second method is a bit more interesting to me, but it's not entirely clear what the rules are for dividing into groups...

It seems to be based on the corresponding edge.
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shashivarungupta
PostPosted: Fri Jul 01, 2011 8:44 am Post subject: Reply with quote

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Joined: 24 Feb 2009
Posts: 1343
Location: Floating in space on a round rock.

One thing is common that while adding the nos. they move from right side to left side. (in case of 'borrow' digit)
It works, interestingly. To test that, I tried on multiple digits nos. for multiplications.
I'm pleased to share it.
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Mehrdad
PostPosted: Fri Jul 01, 2011 1:47 pm Post subject: Reply with quote

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Joined: 27 Feb 2004
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nice one. cool.
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gbaddeley
PostPosted: Sun Jul 03, 2011 4:19 pm Post subject: Re: Learning easy over Internet Reply with quote

Jedi

Joined: 25 Mar 2003
Posts: 2213
Location: Melbourne, Australia

shashivarungupta wrote:
Happy Friday... to all of you...
By the presence of Internet things can be moved so fast from one end to another with the helping technologies (including our WMQ/MB World).

Making long story short...
I never knew such techniques for multiplication that I just found
Link1 AND Link2

Good Ones.


The first method is like Napiers Bones ( http://en.wikipedia.org/wiki/Napier%27s_bones ) published in 1617 and based on Arabic mathematics.

The second method becomes very tedious when the equations contain digits greater than 3 !
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shashivarungupta
PostPosted: Sun Jul 03, 2011 11:25 pm Post subject: Reply with quote

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Joined: 24 Feb 2009
Posts: 1343
Location: Floating in space on a round rock.

gbaddeley wrote:
The second method becomes very tedious when the equations contain digits greater than 3 !

I personally take these methods as a substitute method of multiplication ( occasionally preferred for fewer scenarios only, smaller number but feasible large digits e.g. 23432 x 123 ) .
Thanks for sharing another link to look at
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