About the Author
Mark Howell is a veteran teacher of Advanced Placement mathematics and computer science at his alma mater, Gonzaga College High School in Washington, DC. Mark has served the Advanced Placement community for many years, as a workshop leader, reader of AP exams, Table Leader, and Question Leader. He served on the AP Calculus Test Development Committee from 1996 to 1999. Mark is the author of the 2005 AP Calculus Teacher's Guide and a variety of AP Calculus support materials, and a contributor to AP Central. His efforts to further technology use to enhance the teaching and learning of mathematics have taken him throughout the continental US, as well as Puerto Rico, Honolulu, Singapore, Australia, Thailand, China, and Malaysia. He won the Siemens Award for Advanced Placement in 1999, the Tandy Technology Scholars Award the same year, and a state-level Presidential Teacher Award in 1993.
Martha Montgomery has retired from her position as the Mathematics Specialist at Fremont City Schools in Fremont, Ohio, and is now teaching at Terra Community College in Fremont. Prior to that, she taught AP Calculus and chaired the mathematics department at Fremont Ross High School for more than 20 years. Martha has participated in the AP Calculus exam grading as a Reader, Table Leader, Question Leader, Alternate Exam Leader and finally BC Exam Leader. She served on the AP Calculus Test Development Committee from 1996 to 1999 and contributed many reviews and teacher materials to the AP Central web site. Martha has conducted College Board workshops for teachers in the Midwest and led many workshops for teachers in northwest Ohio.