Not only does Tartaglia have complete discussions of numerical operations and the commercial rules used by Italian arithmeticians in this work, but he also discusses the life of the people, the customs of merchants and the efforts made to improve arithmetic in the 16th century.
Tartaglia non só fai unha discusión completa sobre as operacións aritméticas e as regras comerciais usadas polos matemáticos italianos no seu traballo, senón que fala da vida da xente, dos costumes dos comerciantes e dos esforzos feitos no seus século para mellorar a aritmética.