This strict Presbyterian published his _Rabdologiae_ in 1617 long after graduating from St. Andrew's University.
This strict Presbyterian published his _Rabdologiae_ in 1617 long after graduating from St. Andrew's University. During the English defense of the Spanish Armada, he devised warlike machines including primitive tanks in order to prepare for the forces of Philip II. FTP, name this  mathematician whose most important contribution to the elements of algebra and calculus was his 1614 publishing of _Description of the Marvelous Canon of Logarithms_.
This strict Presbyterian published his _Rabdologiae_ in 1617 long after graduating from St. Andrew's University.
John {Napier}