Higher Education 支持
Customer Service
Your 支持 Team for pricing, orders, shipping and returns….
Visit the Customer Service Online 支持 Center(FAQs, articles, self-help resources)
电话: (800) 338-3987 传真: (800) 953-8691
Hours of Operation: Monday-Friday: 8:00 AM to 8:00 PM EST
邮寄: McGraw-Hill P.O. Box 182605 Columbus, OH 43218
Outside the United States: 联系 International Customer 支持
科技nical 支持
For assistance with registration or to troubleshoot your digital/online products….
Visit the 科技nical 支持 Online 支持 Center(FAQs, articles, self-help resources)
电话: (800) 331-5094 在线: Submit a 支持 Request Case 聊天: Chat with a Representative
Hours of Operation: Sunday: 12:00 PM to 12:00 AM EST Monday-Thursday: 24 hrs Friday: 12:00 AM to 9:00 PM EST Saturday: 10:00 AM to 8:00 PM EST