He published his work in 1614.
in 1614 john Napier invented logarithms and a device called NAPIER,s bones
John Napier invented the Napier`s bone in 1617
John Napier, renowned for his work involving logarithms was born in 1550 and died in 1617.
John Napier invented logarithms in the early 17th century, with his work published in 1614 in the book "Mirifici Logarithmorum Canonis Descriptio." His invention was designed to simplify calculations, particularly in astronomy and navigation, by transforming multiplication and division into addition and subtraction. This significantly reduced the potential for errors in calculations at the time.
2011
Bones
it was invented in 1864 by John Roughley.
Napier is ranked 49th out of 120 universities in the main league table. Last year Napier was 54th out of 118 universities.
The telivision was invented in 1923 by John Logie Baird.
The Soda Fountain was invented in 1832 by John Matthews, U.S.
The flying shuttle was invented by John Kay in 1733.
1875