Sujaul Chowdhury, Ph.D., is a Professor in Department of Physics at Shahjalal University of Science and Technology. He received his B.Sc. and M.Sc. in Physics from Shahjalal University of Science and Technology, before earning his Ph.D. at The University of Glasgow in 2001. After completing his Ph.D., Dr. Chowdhury was a Humboldt Research Fellow for one year at The Max Planck Institute, Stuttgart. He is the author of many books, including six others with Springer: Monte Carlo Methods: A Hands-On Computational Introduction Utilizing Excel; Monte Carlo Methods Utilizing Mathematica®: Applications in Inverse Transform and Acceptance-Rejection Sampling; Numerical Exploration of Fourier Transform and Fourier Series: The Power Spectrum of Driven Damped Oscillators; Newtonian Mechanics; Numerical Exploration of Isolated GaAs-AlGaAs Quantum Well; and Introduction to Electronics. His research interests include nanoelectronics, magnetotransport in semiconductor nanostructures, and nanostructure physics.Md. Golam Moktadir was a M.S. student in the Department of Physics at Shahjalal University of Science and Technology.