Vector Calculus Companion Web Site Fifth Edition ©  2004 Jerrold E. Marsden California Institute of Technology Overview Go to Site Offers additional material to supplement the text, additional exercises and a guide to specific computations in the context of Vector Calculus.   Vector Calculus Companion Web Site Internet/Online ISBN: 0-7167-0645-8 ISBN-13: 978-0-716-70645-8