Mathematics

Complex Functions Examples C9 Mathematics by Leif Mejlbro 
Interest Rates in Financial Analysis and Valuation Business Textbooks by Ahmad Nazri Wahidudin, Ph. D 
Mathematics for Computer Scientists Computer Sciences by Gareth J. Janacek, Mark Lemmon Close 
Elementary Linear Algebra Mathematics by Kenneth Kuttler

Applied Mathematics by Example: Theory Mathematics by Jeremy Pickles 
Applied Mathematics by Example: Exercises Mathematics by Jeremy Pickles 
Essential Engineering Mathematics Mathematics by Michael Batty 
Introduction to Probability Mathematics by Leif Mejlbro