Paramanathan Varatharajah

Associate Professor

Paramanathan Varatharajah
College of Science and Technology


Marteena Hall 228
B.S.Mathematics and Statistics / University of Jaffna
M.S.Mathematics / University of Arizona-Tucson
Ph.D.Applied Mathematics / University of Arizona-Tucson


Dr. Paramanathan Varatharajah is an Associate Professor of Mathematics. He obtained his Ph.D. in Applied Mathematics from the University of Arizona in 1991. After receiving extensive research and teaching experience in various institutions, Dr. Varatharajah moved to NC A&T as an Assistant Professor in 1994.

Dr. Varatharajah has been active in research. He has published several research articles and delivered numerous talks. He serves as the Calculus Course Coordinator, MyLab Math administrator, and Gen-ED Coordinator. He has been leading the implementation of the SCALE-UP model teaching for Calculus I. He is the main author of the Calculus I Workbook (2nd edition is in print).

Currently, he serves as deputy chair of the University RPT committee. He has served numerous committees in the department and the college including the chair of the College RPT committee.

Dr. Varatharajah was the recipient of the College of Arts & Sciences “Outstanding Senior Faculty Merit Teaching Award” in 2015.

Research Interests

Computational Mathematics
Non-Linear Optics
Medical Imaging
Wave Propagation

Recent Publications

  • Paramanathan Varatharajah, Barbara Tankersley, Janis Oldham, Zachary Denton, Liping Liu (2014). (Calculus I Workbook (Early Transcendentals)). Pearson Custom Publishing.
  • Paramanathan Varatharajah (2019). (SCALE-UP Instructional Redesign of a Calculus Course at an HBCU). 7, pp. 31-44. International Journal for Innovation Education and Research.
  • Somasundaram Velummylum, Paramanathan Varatharajah, K Mahalingam (2020). (Differential Calculus with Maple). Linus Learning.