Romanus

Adrianus Romanus

Born: 1561 in Netherlands
Died: 1615

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In 1593 Romanus found pi correct to 15 decimal places using 2^3^0 sided polygons.

He proposed a problem which involved solving an equation of degree 45 which was solved by Viète who realised that there was an underlying trigonometric relation. After this a friendship grew up between the two men.

References elsewhere in this archive:

Tell me about approximations for pi

References:

  1. P Bockslaele, Adrianus Romanus and the trigonometric tables of Georg Joachim Rheticus, in S S Demidov et al. (eds), Amphora : Festschrift for Hans Wussing on the occasion of his 65th birthday (Basel- Boston- Berlin, 1992), 55-66. 
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JOC/EFR February 1996