Graham's Square Root Extractor

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The Demonstration shows Graham's square root extraction, based on the equivalence between and
. Thus if the
ruler is marked with units that are 10 times as large as those on the
ruler, the green point will fall on the
ruler at
.
Contributed by: Izidor Hafner (August 2012)
Open content licensed under CC BY-NC-SA
Snapshots
Details
Reference
[1] L. A. Graham, Ingenious Mathematical Problems and Methods, New York: Dover Publications, 1959, pp. 74–75.
Permanent Citation
"Graham's Square Root Extractor"
http://demonstrations.wolfram.com/GrahamsSquareRootExtractor/
Wolfram Demonstrations Project
Published: August 14 2012