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”"Plimpton 322 has puzzled mathematicians for more than 70 years, since it was realised it contains a special pattern of numbers called Pythagorean triples,"…

"Our research reveals that Plimpton 322 describes the shapes of right-angle triangles using a novel kind of trigonometry based on ratios, not angles and circles. It is a fascinating mathematical work that demonstrates undoubted genius.

"The tablet not only contains the world's oldest trigonometric table; it is also the only completely accurate trigonometric table, because of the very different Babylonian approach to arithmetic and geometry.

"This means it has great relevance for our modern world. Babylonian mathematics may have been out of fashion for more than 3000 years, but it has possible practical applications in surveying, computer graphics and education…”


Source: Mathematical mystery of ancient Babylonian clay tablet solved



Dr. Troglodyte


“Quis custodiet ipsos custodes?“ - Decimus Junius Juvenalis


“Numero, Pondere et Mensura“

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Subject Views Written By Posted
Plimpton 322 487 Dr. Troglodyte 25-Aug-17 13:40
Re: Plimpton 322 75 Eddie Larry 25-Aug-17 13:58
Oldest Known (3,700 BP) Trigonometric Table Analyzed--COOL 100 Clifton Hicks 25-Aug-17 15:48
Re: Oldest Known (3,700 BP) Trigonometric Table Analyzed--COOL 69 Clifton Hicks 25-Aug-17 15:54
Mod Note > Topic Merged 48 Dr. Troglodyte 25-Aug-17 16:05
Mansfield and Wildberger 116 Dr. Troglodyte 25-Aug-17 18:58
Two column headings: IB₂-SI 59 MDaines 26-Aug-17 08:57
Re: Two column headings: IB₂-SI 49 Dr. Troglodyte 26-Aug-17 17:23
Mansfield and Wildberger Published Paper 49 Dr. Troglodyte 27-Aug-17 16:34
Re: Plimpton 322 53 michael seabrook 26-Aug-17 17:59
Re: Plimpton 322 77 Dr. Troglodyte 26-Aug-17 18:40
Hipparchus not the father of trigonometry? 54 solaremp 29-Aug-17 18:13
Re: Hipparchus not the father of trigonometry? 34 Eddie Larry 29-Aug-17 19:57
Re: Hipparchus not the father of trigonometry? 32 solaremp 29-Aug-17 20:51
Mod Note > Duplicate Topic Merged 67 Dr. Troglodyte 29-Aug-17 23:49


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