Johannes Widmann
German mathematician · Germany · On the map · Academics · Lived 1462 to 1505 · aged 43
Johannes Widmann 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.
Johannes Widmann is read about 17 times a day, in 21 languages.
A typical day, 30 days to 19 June 2026
The middle day of the days counted, so one week of news cannot move it. The line under it is the last 60 days, one point a day.
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About this person
Country
Germany
Category
Academics
Type
Academic
Status
Deceased
Dates
Lived 1462 to 1505 · aged 43
