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

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

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by Steven Strogatz
     
 

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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

Overview

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 all else is in flux. The teacher goes from the prime of his career to retirement, competes in whitewater kayaking at the international level, and loses a son. The student matures from high school math whiz to Ivy League professor, suffers the sudden death of a parent, and blunders into a marriage destined to fail. Yet through it all they take refuge in the haven of calculus--until a day comes when calculus is no longer enough.

Like calculus itself, The Calculus of Friendship is an exploration of change. It's about the transformation that takes place in a student's heart, as he and his teacher reverse roles, as they age, as they are buffeted by life itself. Written by a renowned teacher and communicator of mathematics, The Calculus of Friendship is warm, intimate, and deeply moving. The most inspiring ideas of calculus, differential equations, and chaos theory are explained through metaphors, images, and anecdotes in a way that all readers will find beautiful, and even poignant. Math enthusiasts, from high school students to professionals, will delight in the offbeat problems and lucid explanations in the letters.

For anyone whose life has been changed by a mentor, The Calculus of Friendship will be an unforgettable journey.

Editorial Reviews

Mathematics Teacher
This story will draw in both the novice and the veteran. Teachers of mathematics will appreciate the long-term effect their teaching can have on students. The included mathematics can be related to both high school and undergraduate calculus sequences to demonstrate some interesting, thought-provoking, and 'big picture' connections to these courses.
Notices of the American Mathematical Society
[A] beautiful book, bound to become a classic in the mathematical literature. . . . Like Hardy's A Mathematician's Apology, you don not have to know any mathematics whatsoever to read this book. It is a candid and all-too-human story told with brutal honesty, warts and all, sharing with the reader the elation and sincere regrets bound up in the relationship—but in the end, the victories, too. With some beautiful mathematics throughout!
— Lawrence S. Braden
Nature
An intimate view of mentorship is revealed by US mathematician Steven Strogatz in The Calculus of Friendship, a compilation of letters exchanged with his high-school math teacher over 30 years. Through their correspondence they share problems in calculus, chaos theory and major life events, from professional and sporting successes to family bereavements and divorce. The book touchingly charts their changing roles and relationship, from student to professor, teacher to retirement.
Science
The spring of his freshman year in college, Strogatz began to exchange letters with his high school calculus teacher, Don Joffray. At some point, their amiable correspondence about math problems led to a true friendship. In The Calculus of Friendship, Strogatz weaves their letters into reflections on the philosophical similarities between calculus and human relationships and portrays a friendship firmly founded on a love of dreaming up and solving calculus problems . . . . One can also feel the personality and humor of these pen pals emerging through their symbol-sprinkled sentences.
American Scientist
Part biography, part autobiography and part off-the-beaten-path guide to calculus, this quick read details 30 years of correspondence between Strogatz and Joffray. Calculus, Isaac Newton's ingenious invention for modeling change mathematically, serves as both text and subtext for the letters that pass between Strogatz and Joff. Focusing almost exclusively on questions of mathematics, these brief notes frame the unlikely friendship of a teacher and his star student. With the precision of an award-winning mathematician and the clarity of a best-selling science author, Strogatz leads us on an excursion through some of the lesser-known mathematical sights—the ones usually reserved for the 'members only' tour. . . . The mathematics covered in these letters is impressive for such a short volume.
Bookslut
You wouldn't guess it from the title, but The Calculus of Friendship is a genuine tearjerker. I defy anyone to follow the correspondence between mathematician Steven Strogatz and his high school teacher Don Joffray (affectionately nicknamed 'Joff') without getting just a little lachrymose. If you don't, check to see if there is a heart in your chest. If there is, ensure that it's not just a cold slab of stone.
Mathrecreation blog
The story of the correspondence between these two men is at once charming and subtly powerful. Strogatz writes directly and honestly, telling the story of a slow-growing friendship that was at once somewhat stilted and yet deep and sustaining. The immediacy and intimacy of Strogatz's writing transform the pleasures and tragedies of normal life into the elements of a compelling narrative, and because the book works so well on this human level, it also very effective in presenting some important lessons about education and about mathematics.
Harvard Business Review
There is no better English-language explicator of complex quantitative concepts than Steven Strogatz. His work is a model for how mathematics needs to be popularized.
— Michael Schrage
Harvard Business Review - Michael Schrage
There is no better English-language explicator of complex quantitative concepts than Steven Strogatz. His work is a model for how mathematics needs to be popularized.
Notices of the American Mathematical Society - Lawrence S. Braden
[A] beautiful book, bound to become a classic in the mathematical literature. . . . Like Hardy's A Mathematician's Apology, you don not have to know any mathematics whatsoever to read this book. It is a candid and all-too-human story told with brutal honesty, warts and all, sharing with the reader the elation and sincere regrets bound up in the relationship—but in the end, the victories, too. With some beautiful mathematics throughout!
From the Publisher
"An intimate view of mentorship is revealed by US mathematician Steven Strogatz in The Calculus of Friendship, a compilation of letters exchanged with his high-school math teacher over 30 years. Through their correspondence they share problems in calculus, chaos theory and major life events, from professional and sporting successes to family bereavements and divorce. The book touchingly charts their changing roles and relationship, from student to professor, teacher to retirement."Nature

"The spring of his freshman year in college, Strogatz began to exchange letters with his high school calculus teacher, Don Joffray. At some point, their amiable correspondence about math problems led to a true friendship. In The Calculus of Friendship, Strogatz weaves their letters into reflections on the philosophical similarities between calculus and human relationships and portrays a friendship firmly founded on a love of dreaming up and solving calculus problems . . . . One can also feel the personality and humor of these pen pals emerging through their symbol-sprinkled sentences."Science

"Part biography, part autobiography and part off-the-beaten-path guide to calculus, this quick read details 30 years of correspondence between Strogatz and Joffray. Calculus, Isaac Newton's ingenious invention for modeling change mathematically, serves as both text and subtext for the letters that pass between Strogatz and Joff. Focusing almost exclusively on questions of mathematics, these brief notes frame the unlikely friendship of a teacher and his star student. With the precision of an award-winning mathematician and the clarity of a best-selling science author, Strogatz leads us on an excursion through some of the lesser-known mathematical sights—the ones usually reserved for the 'members only' tour. . . . The mathematics covered in these letters is impressive for such a short volume."American Scientist

"There is no better English-language explicator of complex quantitative concepts than Steven Strogatz. His work is a model for how mathematics needs to be popularized."—Michael Schrage, Harvard Business Review

"This story will draw in both the novice and the veteran. Teachers of mathematics will appreciate the long-term effect their teaching can have on students. The included mathematics can be related to both high school and undergraduate calculus sequences to demonstrate some interesting, thought-provoking, and 'big picture' connections to these courses."Mathematics Teacher

"[A] beautiful book, bound to become a classic in the mathematical literature. . . . Like Hardy's A Mathematician's Apology, you don not have to know any mathematics whatsoever to read this book. It is a candid and all-too-human story told with brutal honesty, warts and all, sharing with the reader the elation and sincere regrets bound up in the relationship—but in the end, the victories, too. With some beautiful mathematics throughout!"—Lawrence S. Braden, Notices of the American Mathematical Society

"You wouldn't guess it from the title, but The Calculus of Friendship is a genuine tearjerker. I defy anyone to follow the correspondence between mathematician Steven Strogatz and his high school teacher Don Joffray (affectionately nicknamed 'Joff') without getting just a little lachrymose. If you don't, check to see if there is a heart in your chest. If there is, ensure that it's not just a cold slab of stone."Bookslut

"The story of the correspondence between these two men is at once charming and subtly powerful. Strogatz writes directly and honestly, telling the story of a slow-growing friendship that was at once somewhat stilted and yet deep and sustaining. The immediacy and intimacy of Strogatz's writing transform the pleasures and tragedies of normal life into the elements of a compelling narrative, and because the book works so well on this human level, it also very effective in presenting some important lessons about education and about mathematics."Mathrecreation blog

Product Details

ISBN-13:
9781400830886
Publisher:
Princeton University Press
Publication date:
03/07/2011
Sold by:
Barnes & Noble
Format:
NOOK Book
Pages:
184
Sales rank:
721,247
File size:
6 MB

What People are saying about this

John Adam
It is unusual for mathematicians to write in such personal terms and with such candor. Readers with any mathematical background will find this book intriguing and fascinating.
John Adam, coauthor of "Guesstimation"
Adrian Banner
Containing many mathematical morsels, this decades-long correspondence tells the story of a very special student-teacher relationship. These men have taught each other more than they could ever have envisioned.
Adrian Banner, author of "The Calculus Lifesaver"
James Tanton
Mathematics speaks to the transcendental, as does this extraordinary friendship. A beautiful book!
James Tanton, founding director of the St. Mark's Institute of Mathematics
Alan Alda
As these two men find truer, deeper friendship through an exchange of letters on math, you may be surprised to find yourself, as I was, moved by powerful emotions. I never thought I'd get choked up by an equation—but these guys are plotting out the hardest kind of change to track: the movement from Me to Us.
Janna Levin
Steven Strogatz has written an unpretentious, charming, original, and inspiring book. In a disarmingly personal depiction, Strogatz leads us through a story of friendship between understated mentor and virtuosic student. The mathematical excursions are as much a pleasure to read as the moving narrative of the unusual friendship that the mathematics inspires.
Janna Levin, author of "A Madman Dreams of Turing Machines"
Larry Zimmerman
In this delightfully inspired account of a thirty-year correspondence, two mathematicians discover even deeper things than theorems that are fundamental. A math book for the mind and for the heart.
Larry Zimmerman, winner of the 1986 Presidential Award for Excellence in Mathematics Teaching
John Cleese
The gentle but unremittingly honest account of this friendship utterly absorbed me. Also, some of the calculus is hilarious.
Brian Greene
The Calculus of Friendship is an intriguing journey that casts mathematics in a most unusual light. Through thirty years of correspondence between student and teacher, we enter a private world where the rigors of logic are the last defense against the vagaries of life.
Brian Greene, author of "The Elegant Universe"
Barry Cipra
This is a lovely book. Strogatz succeeds in producing a sincere tribute to teachers, and he emphasizes in a direct way the human element of mathematics.
Barry Cipra, author of "Misteaks...and How to Find Them before the Teacher Does: A Calculus Supplement"

Meet the Author

Steven Strogatz is the Jacob Gould Schurman Professor of Applied Mathematics at Cornell University. His books include the best-selling "Sync: The Emerging Science of Spontaneous Order" (Hyperion). He has written for the "New York Times"’s Opinionator blog.

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The Calculus of Friendship: What a Teacher and a Student Learned about Life while Corresponding about Math 4.3 out of 5 based on 0 ratings. 3 reviews.
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Passionate_Teacher More than 1 year ago
A very compelling tale of a master teacher and a former student using their correspondence over multiple decades. Thoughtfully shows the reciprocal impact that both students and teachers can have on one another over a lifetime of relationship and friendship. The story is moving, relevant, and a candid reflection on two extraordinary lives intertwined. The Math is fairly complex for the average reader, but the story remains compelling and useful even for those who skim through the Mathematics sections. For those who enjoy upper level Mathematics, the brief Math interludes are an added treat. A real pleasure to read!