2007-03-11 11:16:19 · 4 answers · asked by Steve Z 1 in Education & Reference ➔ Trivia
Person/People Year Value
Babylonians ~2000 B.C. 3 1/8
Egyptians ~2000 B.C. (16/9)^2= 3.1605
Chinese ~1200 B.C. 3
Old Testament ~550 B.C. 3
Archimedes ~300 B.C. proves 3 10/71
Ptolemy ~200 A.D. 377/120=3.14166...
Chung Huing ~300 A.D. sqrt(10)=3.16...
Wang Fau 263 A.D. 157/50=3.14
Tsu Chung-Chi ~500 A.D. proves 3.1415926
Brahmagupta ~600 sqrt(10)
Fibonacci 1220 3.141818
Ludolph van Ceulen 1596 Calculates Pi to 35 decimal places
Machin 1706 100 decimal places
Lambert 1766 Proves Pi is irrational
Richter 1855 500 decimal places
Lindeman 1882 Proves Pi is transcendental
Ferguson 1947 808 decimal places
Pegasus Computer 1957 7,840 decimal places
IBM 7090 1961 100,000 decimal places
CDC 6600 1967 500,000 decimal places
YOU ANSWER IS :
su Chung-Chi
2007-03-11 11:25:56 · answer #1 · answered by Jesus B 2 · 2⤊ 0⤋
Zu Chongzhi
2007-03-11 20:11:22 · answer #2 · answered by DANTE_ 1 · 0⤊ 0⤋
astronomer Zu Chongzhi
2007-03-11 18:23:50 · answer #3 · answered by AKAdemiks 3 · 1⤊ 0⤋
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2007-03-15 00:23:15 · answer #4 · answered by Anonymous · 0⤊ 0⤋