Thursday, November 23, 2006

A new way to multiply!

I did not realize it is possible to efficiently use graphs to multiply decimal numbers.

2 Comments:

At 7:33 AM, Blogger Jordan said...

I suspect it's no coincidence that there are no digits larger than 3 in that example.

 
At 11:00 AM, Blogger Glen said...

I did verify that it works for 4-digit numbers - I tried 1121 * 2121.

With digits larger than three the drawing, counting and carrying could get pretty cumbersome.

 

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