Nazmul Islam, PhD, is a professor at the Department of Basic Sciences & Humanities at Techno Global-Balurghat in Balurghat, D. Dinajpur, India. He is editor-in-chief of The SciTech, Journal of Science & Technology, and Signpost Open Access Journal of Theoretical Sciences. He is also an editorial board member and reviewer for many international journals. He was named a Top 100 Scientists 2012 by International Biographical Centre, Cambridge, England, along with other notable designations. He is the author of several books and book chapters and teaches courses in chemistry, computer and computer applications, and engineering chemistry.

• Preface. The Time Evolution of the Hard and Soft Acids and Bases (HSAB) Theory. Magneto Hydrodynamic Effects on an Atherosclerotic Artery: A Theoretical Study. A Fast Solver for the Backward Heat Conduction Problem in Unbounded Domains. Steganographic Method for Color Images Using Variance Field Estimation and Scaling Factor for Energy Conservation. Breviary of Quantum Computation. Classical Charged Particles in Arbitrary Motion. Second Order Linear Differential Equation in Its Exact Form. On the Operator Exp( 2 Λ (P + Q)). Quantum Computational Studies on Porphycene. The Evaluation of Protonation Energy of Molecules in Terms of Quantum Theoretical Descriptors. Analysis of Casson Fluid Model for Blood Flow in Externally Applied Magnetic Field. Index.