DIV, Grad, Curl, and All That: An Informal Text on Vector Calculus

Goodwill Southern California - We are a 501(c)(3) nonprofit organization whose mission is to help transform lives through the power of work. Goodwill Southern California serves individuals with disabilities or other vocational disadvantages and local businesses seeking qualified employees by providing education, skills training, work experience and job placement. In addition to our retail stores located throughout Southern California and in the Inland Empire, we also provide jobs and services such as secure shredding, e-recycling (computers and electronics), packaging and assembling, post retail recycling, etc. If you would like to know more about our company, our services, partnership opportunities or to make a donation, please either visit our website goodwillsocal.org, or contact us at our toll-free number, 1 (888) 4 GOODWILL. Thank you for your support of our mission to help others.