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Parabola Calculator
Author:
John Golden
Topic:
Multiplication
,
Parabola
First seen at
http://solvemymaths.com/2014/11/18/the-parabola-calculator/
from Ed Southall, who saw it in a video from Tipping Point Math.
https://www.youtube.com/watch?v=eLR3zKxpcso
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