Final answer:
Luca Pacioli's book, titled "Summa de arithmetica," was primarily used for education and accounting, detailing double-entry bookkeeping and serving as a foundational work in the field of accounting.
Step-by-step explanation:
The book written by Luca Pacioli was called "Summa de arithmetica, geometria, proportioni et proportionalita" and it was primarily used for education and accounting. Often simply referred to as the Summa, the book was a comprehensive textbook of mathematics of its time, with a particular focus on the mathematical knowledge needed for business and commerce, including the mathematics of double-entry bookkeeping. Published in 1494, this work is considered foundational in the field of accounting, and Pacioli is often dubbed the "Father of Accounting" because this book was among the first to describe the system of double-entry bookkeeping used by Venetian merchants during the Renaissance period.