Geometric Illustration of Machin-Like Formulas
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This Demonstration illustrates geometrically some Machin-like formulas for computing the number . A Gregory number is
, where
is a rational number. Since
, Gregory numbers arise in
the determination of Machin-like formulas for computing the number
.
Contributed by: Izidor Hafner (March 2011)
Based on work by : John H. Conway and Richard K. Guy
Open content licensed under CC BY-NC-SA
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J. H. Conway and R. K. Guy, The Book of Numbers, New York: Copernicus Books, 2006 pp. 244–247.
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