Johannes Krafft (arithmetic master)

Johannes Krafft († 1620 ) from Ravensburg was obliged in 1581 by the council in Memmingen to become a "German school milliner and arithmetic master".

He applied in Ulm with a wooden board similar to an altar. In 1597 he was at the Ulm School of Mathematics founded by Conrad Marchtaler . He wrote several textbooks that were very popular.

Johannes Faulhaber was one of his students . With this he was involved in the Ulm comet dispute in 1618 .

Publications

A new and well-founded arithmetic book of many Kauffmanns Handel by the Welsche Practick: practiced and resolved with many Müntz varieties, in addition to finding all Extractiones Radicis in addition to invention and learning quickly: the same has never been seen in the truck ; 1591
New and well-founded arithmetic booklet , Ulm, 1614

literature

Johannes Remelin: Analysis, the resolution of the word calculation Johannes Kraften school modists in Ulm, appended to the first part of his arithmetic booklet ; 1614
Julius Baum: Johann Krafft's Ten Commandments in the Museum zu Allerheiligen . ; Schaffhauser Contributions 21, 1944, pp. 214-223 21 (1944)
Beatrix Schütte: The typist's panel of Johann Krafft in: "The contemporary writing", issue 46. Berlin 1938

Evidence, notes

↑ Carl Wehmer: Typist of yore
↑ The artistic panel by Johann Krafft was on one of the southern pillars of the nave.

Web links

personal data
SURNAME	Krafft, Johannes
BRIEF DESCRIPTION	Calculator from Ulm
DATE OF BIRTH	16th Century
DATE OF DEATH	1620

[1] Carl Wehmer: Typist of yore

[2] The artistic panel by Johann Krafft was on one of the southern pillars of the nave.