Precalculus with Limits

Dr. Ron Larson is a professor of mathematics at the Pennsylvania State University, where he has taught since 1970. He is considered the pioneer of using multimedia to enhance the learning of mathematics, having authored more than 30 software titles since 1990. Dr. Larson has also authored numerous acclaimed textbooks, including the best-selling calculus series coauthored with Dr. Bruce Edwards and published by Cengage. Dr. Larson received the 2017 William Holmes McGuffey Longevity Award for PRECALCULUS and for CALCULUS. He also received the 2018 Text and Academic Authors Association TEXTY Award for CALCULUS: EARLY TRANSCENDENTAL FUNCTIONS. In addition, Dr. Larson received the 1996 Text and Academic Authors Association TEXTY Award for INTERACTIVE CALCULUS -- a complete text on CD-ROM that was the first mainstream college textbook to be offered on the internet.

Paul Battaglia received his B.S. in actuarial science from the Pennsylvania State University. After some time as an actuarial analyst, he began his teaching career in New Jersey. Since doing so, he has spent over 15 years teaching all levels of mathematics, including Advanced Placement Calculus. He was instrumental in beginning the AP Calculus (BC) program at Manasquan High School. Battaglia has been a featured speaker—both in and out of his district—including speaking about his book at the NJEA teacher’s convention and presenting at the AP Annual Conference. His current interests include QR codes in the classroom, integration of tablets and mobile devices for classroom use, and gamification as an assessment model.