A key tool that enabled the practical use of logarithms was the table of logarithms.[33] The first such table was compiled by Henry Briggs in 1617, immediately after Napier's invention but with the innovation of using 10 as the base. Briggs' first table contained the common logarithms of all integers http://regra-de-tr-s07520.newsbloger.com/2672167/não-conhecido-detalhes-sobre-regra-de-três