Giovanni Battista Pisani

Giovanni Battista Pisani, also known as Gio.

Battista Pisani, was a 17th-century Genoese mathematician.

[1] He wrote The First Book of Modern Cursive Letters (Il primo libro di lettere corsive moderne, 1641) about calligraphy,[2] followed by other educational works, Arithmetic Memorial (Memoriale aritmetico, 1644) and Arithmetic Garden (Giardino aritmetico, 1646), intended to solve arithmetic problems that were especially related to merchant activity.

[3]