Carl Anton Bretschneider
Encyclopedia
Carl Anton Bretschneider (27 May 1808 – 6 November 1878) was a mathematician from Gotha
, Germany
. Bretschneider worked in geometry
, number theory
, and history of geometry. He also worked on logarithmic integrals and mathematical table
s. He was one of the first mathematicians to use the symbol γ for Euler's constant when he published his 1837 paper. He is best known for his discovery of Bretschneider's formula.
Gotha (town)
Gotha is a town in Thuringia, within the central core of Germany. It is the capital of the district of Gotha.- History :The town has existed at least since the 8th century, when it was mentioned in a document signed by Charlemagne as Villa Gotaha . Its importance derives from having been chosen in...
, Germany
Germany
Germany , officially the Federal Republic of Germany , is a federal parliamentary republic in Europe. The country consists of 16 states while the capital and largest city is Berlin. Germany covers an area of 357,021 km2 and has a largely temperate seasonal climate...
. Bretschneider worked in geometry
Geometry
Geometry arose as the field of knowledge dealing with spatial relationships. Geometry was one of the two fields of pre-modern mathematics, the other being the study of numbers ....
, number theory
Number theory
Number theory is a branch of pure mathematics devoted primarily to the study of the integers. Number theorists study prime numbers as well...
, and history of geometry. He also worked on logarithmic integrals and mathematical table
Mathematical table
Before calculators were cheap and plentiful, people would use mathematical tables —lists of numbers showing the results of calculation with varying arguments— to simplify and drastically speed up computation...
s. He was one of the first mathematicians to use the symbol γ for Euler's constant when he published his 1837 paper. He is best known for his discovery of Bretschneider's formula.
Publications
- Carl Anton Bretschneider (1837). "Theoriae logarithmi integralis lineamenta nova". Crelle Journal, vol.17, p.257-285 (submitted 1835)
External links
- Beiträge zur sphärischen Trigonometrie, Crelles Journal 13, 1835, S. 85–92
- Beiträge zur sphärischen Trigonometrie. (Schluß), Crelles Journal 13, 1835, S. 145–158
- Theoriae logarithmi integralis lineamenta nova, Crelles Journal 17, 1837, S. 257–285
- Untersuchung der trigonometrischen Relationen des geradlinigen Viereckes, Grunert-Archiv 2, 1842, S. 225–261
- Tafeln für die Zerlegung der Zahlen bis 4100 in Biquadrate, Crelles Journal 46, 1853, S. 1–23