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- Johannes_Widmann abstract "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. In 1482 he earned his "Baccalaureus" and in 1485 his "Magister".Widman published Behende und hübsche Rechenung auff allen Kauffmanschafft (German; i.e. Nimble and neat calculation in all trades), his work making use of the signs, in Leipzig in 1489. Further editions were published in Pforzheim, Hagenau, and Augsburg.Handwritten entries in a surviving collection show that after earning his "Magister" Widman announced holding lectures on e.g. calculating on the lines of a calculating board and on algebra. There is evidence that the lecture on algebra actually took place, making it the first known university lecture on this topic.He died in Leipzig.".
- Johannes_Widmann almaMater Leipzig_University.
- Johannes_Widmann birthPlace Cheb.
- Johannes_Widmann birthPlace Holy_Roman_Empire.
- Johannes_Widmann deathPlace Leipzig.
- Johannes_Widmann field Mathematics.
- Johannes_Widmann knownFor Algebra.
- Johannes_Widmann knownFor Plus_and_minus_signs.
- Johannes_Widmann nationality Germany.
- Johannes_Widmann thumbnail Johannes_Widmann-Mercantile_Arithmetic_1489.jpg?width=300.
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- Johannes_Widmann almaMater Leipzig_University.
- Johannes_Widmann birthDate "c. 1460".
- Johannes_Widmann birthPlace Cheb.
- Johannes_Widmann birthPlace Holy_Roman_Empire.
- Johannes_Widmann caption "The first use of the plus and minus signs in print".
- Johannes_Widmann deathDate "after 1498".
- Johannes_Widmann deathPlace Leipzig.
- Johannes_Widmann field Mathematics.
- Johannes_Widmann hasPhotoCollection Johannes_Widmann.
- Johannes_Widmann knownFor "Plus and minus signs, first university lecture on algebra".
- Johannes_Widmann name "Johannes Widmann".
- Johannes_Widmann name "Widmann, Johannes".
- Johannes_Widmann nationality "German".
- Johannes_Widmann shortDescription "German mathematician".
- Johannes_Widmann workInstitution Leipzig_University.
- Johannes_Widmann description "German mathematician".
- Johannes_Widmann description "German mathematician".
- Johannes_Widmann subject Category:1460s_births.
- Johannes_Widmann subject Category:German_mathematicians.
- Johannes_Widmann subject Category:People_from_Cheb.
- Johannes_Widmann subject Category:Year_of_death_unknown.
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- Johannes_Widmann comment "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.".
- Johannes_Widmann label "Johannes Widmann (Mathematiker)".
- Johannes_Widmann label "Johannes Widmann".
- Johannes_Widmann label "Johannes Widmann".
- Johannes_Widmann label "Johannes Widmann".
- Johannes_Widmann label "Johannes Widmann".
- Johannes_Widmann label "Видман, Иоганн".
- Johannes_Widmann sameAs Johannes_Widmann_(Mathematiker).
- Johannes_Widmann sameAs Johannes_Widmann.
- Johannes_Widmann sameAs Johannes_Widmann.
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- Johannes_Widmann depiction Johannes_Widmann-Mercantile_Arithmetic_1489.jpg.
- Johannes_Widmann givenName "Johannes".
- Johannes_Widmann isPrimaryTopicOf Johannes_Widmann.
- Johannes_Widmann name "Johannes Widmann".
- Johannes_Widmann name "Widmann, Johannes".
- Johannes_Widmann surname "Widmann".