"Johannes Kepler dedicated his 1620 Ephemerides to Napier, stating that the invention of logarithms was the central id…"

"As the Indian figures are on infinite service in all branches of mixed Mathematics, and particularly in Astronomy... …"

"Although the has largely given way to the pocket calculator... the pedagogical value of making one's own [slide or ot…"

"I find very few of those, who make constant use of logarithms, have attain'd an adequate Notion of them, or to unders…"

"[I]n the year 1543... Arithmetica Integra, of Stifelius... contained several curious things, some ascribed to a much …"

"Napier published his Descriptio of the table of logarithms in 1614. This was at once translated into English by Edwar…"

"The learned calculators, about the close of the 16th, and beginning of the 17th century, finding the operations of mu…"

"Jost Burgi, a Swiss clockmaker and mathematician, invented logarithms independently of Napier and Briggs, although it…"

"In the seventeenth century, perhaps the greatest of all for the development of mathematics, there appeared a work whi…"

"All computation was greatly simplified early in the seventeenth century by the invention of s."