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| '''Bartholomaeus''' ('''Barthélemy''', '''Bartholomeo''') '''Pitiscus''' (], ] – ], ]) was a ], ], and ], who first coined the word ]. | '''Bartholomaeus''' ('''Barthélemy''', '''Bartholomeo''') '''Pitiscus''' (], ] – ], ]) was a ], ], and ], who first coined the word ]. | ||
| Pitiscus |
Pitiscus was born to poor parents in ] ({{lang-de|Grünberg}}) in ] and studied theology at ] and at ]. A ], he was appointed to teach the ten year-old ] of the Rhine, by Frederick's Calvinist uncle ], as Frederick's father had died in ]. Pitiscus was subsequently appointed court ] at ] (Breslau) and court preacher to Frederick. Pitiscus supported Frederick's subsequent measures against the ]. | ||
| Pitiscus achieved fame with his influential work ''Trigonometria: sive de solutione triangulorum tractatus brevis et perspicuus'' (]; first edition, ]), which introduced the word "trigonometry" to the English and French languages, translations of which had appeared in 1614 and 1619, respectively. It consists of five books on plane and spherical trigonometry. Pitiscus is sometimes credited with inventing the ], the symbol separating integers from decimal fractions, which appears in his trigonometrical tables and was subsequently accepted by ] in his logarithmic papers (] and ]). | Pitiscus achieved fame with his influential work ''Trigonometria: sive de solutione triangulorum tractatus brevis et perspicuus'' (]; first edition, ]), which introduced the word "trigonometry" to the English and French languages, translations of which had appeared in 1614 and 1619, respectively. It consists of five books on plane and spherical trigonometry. Pitiscus is sometimes credited with inventing the ], the symbol separating integers from decimal fractions, which appears in his trigonometrical tables and was subsequently accepted by ] in his logarithmic papers (] and ]). | ||
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| {{DEFAULTSORT:Pitiscus, Bartholemaeus}} | {{DEFAULTSORT:Pitiscus, Bartholemaeus}} | ||
Revision as of 00:25, 13 January 2008
- "Pitiscus" redirects here. For the crater, see Pitiscus (crater). For the scholar, see Samuel Pitiscus.
Bartholomaeus (Barthélemy, Bartholomeo) Pitiscus (August 24, 1561 – July 2, 1613) was a trigonometrist, astronomer, and theologian, who first coined the word Trigonometry.
Pitiscus was born to poor parents in Zielona Góra (Template:Lang-de) in Lower Silesia and studied theology at Zerbst and at Heidelberg. A Calvinist, he was appointed to teach the ten year-old Frederick IV, Elector Palatine of the Rhine, by Frederick's Calvinist uncle John Casimir, as Frederick's father had died in 1583. Pitiscus was subsequently appointed court chaplain at Wrocław (Breslau) and court preacher to Frederick. Pitiscus supported Frederick's subsequent measures against the Roman Catholic Church.
Pitiscus achieved fame with his influential work Trigonometria: sive de solutione triangulorum tractatus brevis et perspicuus (Heidelberg; first edition, 1595), which introduced the word "trigonometry" to the English and French languages, translations of which had appeared in 1614 and 1619, respectively. It consists of five books on plane and spherical trigonometry. Pitiscus is sometimes credited with inventing the decimal point, the symbol separating integers from decimal fractions, which appears in his trigonometrical tables and was subsequently accepted by John Napier in his logarithmic papers (1614 and 1619).
Pitiscus edited Thesaurus mathematicus (1613) in which he improved the trigonometric tables of Georg Joachim Rheticus and also corrected Rheticus’ Magnus Canon doctrinæ triangulorum.
Pitiscus died in Heidelberg. The lunar crater Pitiscus is named after him.
The classical scholar Samuel Pitiscus (1637-1727) was his nephew.
External links
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