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Graham's Square Root Extractor
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
THINGS TO TRY
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Reference
[1] L. A. Graham,
Ingenious Mathematical Problems and Methods
, New York: Dover Publications, 1959, pp. 74–75.
RELATED LINKS
Square Root
(
Wolfram
MathWorld
)
Pythagorean Theorem
(
Wolfram
MathWorld
)
PERMANENT CITATION
Izidor Hafner
"
Graham's Square Root Extractor
"
http://demonstrations.wolfram.com/GrahamsSquareRootExtractor/
Wolfram Demonstrations Project
Published: August 14, 2012
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