Multiplication Made Easy
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This Demonstration shows a way to multiply two numbers by multiplying each individual digits (outer product) and adding it together.
Contributed by: Prashant Bhate (May 2013)
Open content licensed under CC BY-NC-SA
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"Multiplication Made Easy"
http://demonstrations.wolfram.com/MultiplicationMadeEasy/
Wolfram Demonstrations Project
Published: May 21 2013