The Calculus of Friendship: What a Teacher and a Student Learned about Life while Corresponding about Math

No marks or damage from past owners, Not a former library book, Not a remainder, or book club, not clipped, Hardcover. The Calculus of Friendship is the story of an extraordi [more]

No marks or damage from past owners, Not a former library book, Not a remainder, or book club, not clipped, Hardcover. The Calculus of Friendship is the story of an extraordinary connection between a teacher and a student, as chronicled through more than thirty years of letters between them. What makes their relationship unique is that it is based almost entirely on a shared love of calculus. For them, calculus is more than a branch of mathematics; it is a game they love playing together, a constant when a[less]