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Rutherford retired from his post at
Woolwich about 1864, and died on 16 September 1871, at his residence, Tweed Cottage, Maryon Road,
158:{\displaystyle {\pi \over 4}=4\arctan \left({1 \over 5}\right)-\arctan \left({1 \over 70}\right)+\arctan \left({1 \over 99}\right)}
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Only the first 152 calculated digits were later found to be correct; but that broke the record of the time, which was held by the
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Rutherford was born about 1798. He was a master at a school at
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Rutherford was the editor, with
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from 1844 to 1847, and honorary secretary in 1845 and 1846. He was a friend of
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since 1789 (126 first digits correct). Rutherford used the following formula:
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He also wrote mathematical pamphlets, including one on the solution of
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489: This article incorporates text from a publication now in the
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Arithmetic, Algebra, and
Differential and Integral Calculus in
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Computation of π to 208 Decimal Places (correct to 153)
235:. His mathematical studies were of a traditional type.
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In 1838 Rutherford obtained a mathematical post at the
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33:famous for his calculation of 208 digits of the
16:For other people called William Rutherford, see
229:from 1822 to 1869, and also contributed to the
505:. London: Smith, Elder & Co. 1885–1900.
471:. London: Smith, Elder & Co. 1885–1900.
345:Course of Mathematics for R.M.A. Woolwich
338:Complete Solution of Numerical Equations
386:History of numerical approximations of π
192:. He was a member of the council of the
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436:- Department of Mathematical Sciences
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361:On Statical Friction and Revetments
529:19th-century English mathematicians
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304:Demonstration of Pascal's Theorem
502:Dictionary of National Biography
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468:Dictionary of National Biography
438:University of Colorado at Denver
351:The Extension of π to 440 Places
316:Theorems in Co-ordinate Geometry
190:Royal Military Academy, Woolwich
334:(with Charles K. Sibley), 1847.
281:Key to Bonnycastle's Arithmetic
207:, at the age of seventy-three.
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419:- Department of Mathematics,
328:(with Stephen Fenwick), 1843.
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297:Philosophical Transactions
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320:Philosophical Magazine
309:Philosophical Magazine
198:Wesley S. B. Woolhouse
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279:Edwin Colman Tyson's
253:Course of Mathematics
217:Thomas Stephen Davies
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35:mathematical constant
402:References and notes
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497:Rutherford, William
433:Squaring the Circle
416:Use of the symbol π
369:spherical triangles
287:He published also:
272:Thomas Carpenter's
391:Napoleon's theorem
238:Rutherford edited
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24:William Rutherford
18:William Rutherford
524:Pi-related people
332:Earthwork Tables
267:William Galbraith
232:Gentlemen's Diary
226:The Ladies' Diary
221:The Mathematician
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64:π
45:Slovenian
40:in 1841.
375:See also
205:Charlton
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265:, with
263:Algebra
28:English
175:Hawick
132:arctan
105:arctan
78:arctan
219:, of
211:Works
169:Life
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75:4
72:=
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38:π
20:.
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