圓周率的計(jì)算歷史

圓周率的計(jì)算歷史時(shí)間

紀(jì)錄創(chuàng)造者

小數(shù)點(diǎn)后位數(shù)前500

圣經(jīng)

1前250

3約西漢《周髀算經(jīng)》

1263

劉徽

5480

祖沖之

71429

Al-Kashi

141593

Romanus

151596

LudolphVanCeulen

201609

LudolphVanCeulen

351699

Sharp

711706

JohnMachin

1001719

DeLagny

127(112位正確)1794

Vega

1401824

Rutherford

208(152位正確)1844

Strassnitzky&Dase

2001847

Clausen

2481853

Lehmann

2611853

Rutherford

4401874

WilliamShanks

707(527位正確)20世紀(jì)后年

月

紀(jì)錄創(chuàng)造者

所用機(jī)器

小數(shù)點(diǎn)后位數(shù)1946

Ferguson

6201947

1

Ferguson

7101947

9

Ferguson&Wrench

8081949

Smith&Wrench

1,1201949

Reitwiesneretal

ENIAC

2,0371954

Nicholson&Jeenel

NORC

3,0921957

Felton

Pegasus

7,4801958

1

Genuys

IBM704

10,0001958

5

Felton

Pegasus

10,0211959

Guilloud

IBM704

16,1671961

Shanks&Wrench

IBM7090

100,2651966

Guilloud&Filliatre

IBM7030

250,0001967

Guilloud&Dichampt

CDC6600

500,0001973

Guilloud&Bouyer

CDC7600

1,001,2501981

Miyoshi&Kanada

FACOMM-200

2,000,0361982

Guilloud

2,000,0501982

Tamura

MELCOM900II

2,097,1441982

Tamura&Kanada

HITACHIM-280H

4,194,2881982

Tamura&Kanada

HITACHIM-280H

8,388,5761983

Kanada,Yoshino&Tamura

HITACHIM-280H

16,777,2061985

10

Gosper

Symbolics3670

17,526,2001986

1

Bailey

CRAY-2

29,360,1111986

9

Kanada&Tamura

HITACHIS-810/20

33,554,4141986

10

Kanada&Tamura

HITACHIS-810/20

67,108,8391987

1

Kanada,Tamura&Kuboetal

NECSX-2

134,217,7001988

1

Kanada&Tamura

HITACHIS-820/80

201,326,5511989

5

Chudnovskys

CRAY-2&IBM-3090/VF

480,000,0001989

6

Chudnovskys

IBM3090

525,229,2701989

7

Kanada&Tamura

HITACHIS-820/80

536,870,8981989

8

Chudnovskys

IBM3090

1,011,196,6911989

11

Kanada&Tamura

HITACHIS-820/80

1,073,741,7991991

8

Chudnovskys

2,260,000,0001994

5

Chudnovskys

4,044,000,0001995

8

Takahashi&Kanada

HITACHIS-3800/480

4,294,967,2861995

10

Takahashi&Kanada

6,442,450,9381997

7

Takahashi&Kanada

51,539,600,0001999

4

Takahashi&Kanada

68,719,