[see attached for complete text] {it Geometric Calculus}, a translation of the1888 classic {it Calcolo geometrico} by G. Peano will give readers insight into the work of a most distinguished mathematician who had a significant impact on 20th century mathematics, and in particular, mathematical logic. Key features: * {it Geometric Calculus} is an excellent model of expository writing, * Peanos axiom system for a vector space is the first-ever presentation of a set of such axioms, * work comes close to being a modern introduction to linear algebra, * Peano clarifies and