Johannes Widmann

1460 - 1505

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Johannes Widmann (c. 1460 – after 1498) was a German mathematician. The + and - symbols first appeared in print in his book Mercantile Arithmetic or Behende und hüpsche Rechenung auff allen Kauffmanschafft published in Leipzig in 1489 in reference to surpluses and deficits in business problems.Born in Eger, Bohemia, Widmann attended the University of Leipzig in the 1480s. Read more on Wikipedia

Since 2007, the English Wikipedia page of Johannes Widmann has received more than 39,413 page views. His biography is available in 16 different languages on Wikipedia. Johannes Widmann is the 316th most popular mathematician (up from 348th in 2019), the 235th most popular biography from Czechia and the 2nd most popular Czech Mathematician.

Memorability Metrics

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  • 65.35

    Historical Popularity Index (HPI)

  • 16

    Languages Editions (L)

  • 6.97

    Effective Languages (L*)

  • 1.45

    Coefficient of Variation (CV)

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Among mathematicians, Johannes Widmann ranks 316 out of 828Before him are Sergei Sobolev, Kiyosi Itô, Jean Dieudonné, Albert Girard, Ostilio Ricci, and Raymond Smullyan. After him are Theon of Smyrna, Eutocius of Ascalon, Felix Bernstein, Richard Courant, Isaac Beeckman, and Abraham Wald.

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Among people born in 1460, Johannes Widmann ranks 19Before him are Judah Leon Abravanel, Bartholomew Columbus, Geertgen tot Sint Jans, Jacopo de' Barbari, Pedro Navarro, Count of Oliveto, and Frederick I, Margrave of Brandenburg-Ansbach. After him are Antoine Brumel, Johann Froben, Rodrigo de Bastidas, Svante Nilsson, Catherine of Foix, Countess of Candale, and Eric Trolle. Among people deceased in 1505, Johannes Widmann ranks 10Before him are Al-Suyuti, Jacob Obrecht, Heinrich Kramer, Elizabeth of Austria, Ercole I d'Este, Duke of Ferrara, and Ascanio Sforza. After him is Jean Hey.

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In Czechia

Among people born in Czechia, Johannes Widmann ranks 235 out of 839Before him are Jean-Gaspard Deburau (1796), Erhard Raus (1889), Spytihněv I, Duke of Bohemia (875), Bretislav II (1100), Alois Hába (1893), and Věra Čáslavská (1942). After him are Catherine of Bohemia (1342), Adolf Schärf (1890), Jan Hammer (1948), Jan Stráský (1940), Viliam Schrojf (1931), and Spytihněv II, Duke of Bohemia (1031).


Among mathematicians born in Czechia, Johannes Widmann ranks 2Before him are Leo Perutz (1882). After him are Olga Taussky-Todd (1906) and Eduard Čech (1893).