John Wrench

John Wrench
Born(1911-10-13)October 13, 1911
DiedFebruary 27, 2009(2009-02-27) (aged 97)
Alma materUniversity at Buffalo
Yale University
Known forComputing π
Scientific career
FieldsMathematics
InstitutionsDavid Taylor Model Basin

John William Wrench, Jr. (October 13, 1911 – February 27, 2009) was an American mathematician who worked primarily in numerical analysis. He was a pioneer in using computers for mathematical calculations, and is noted for work done with Daniel Shanks to calculate the mathematical constant pi to 100,000 decimal places.


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