""A Treatise On The Calculus Of Finite Differences"" is a mathematical textbook written by George Boole and originally published in 1860. The book is focused on the study of finite differences, which is a mathematical technique used to approximate derivatives and integrals of functions. Boole's work in this area laid the foundation for modern calculus and helped to establish him as one of the most important mathematicians of the 19th century. The...