Matches in DBpedia 2014 for { ?s ?p 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.. }
Showing items 1 to 1 of
1
with 100 items per page.
- 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.".