Johann Rahn
✓ Source-basedrisingMathematician (1622-1676)
Johann Heinrich Rahn was a Swiss mathematician who is credited with the first use of the division sign, ÷ and the therefore sign, ∴. The symbols were used in Teutsche Algebra, published in 1659. John Pell collaborated with Rahn in this book, which contains an example of the Pell equation.
Also inDeutsch
Photos 1
Academics from Switzerland 6
About this person
Johann Heinrich Rahn was a Swiss mathematician who is credited with the first use of the division sign, ÷ and the therefore sign, ∴. The symbols were used in Teutsche Algebra, published in 1659. John Pell collaborated with Rahn in this book, which contains an example of the Pell equation. It is uncertain whether Rahn or Pell was responsible for introducing the symbols.
SwitzerlandFame.am measures public visibility signals. It does not measure human value, talent, morality, or credibility.