This book is intended to provide an informal introduction to a given mathematics topic which is then re-enforced through application to a variety of topics in finance. Coverage is broad, both in terms of coverage in mathematics and in finance.This heterogeneity of coverage has compelled separation and spreading of the various finance topics throughout the book, but they are linked through Background Readings suggestions at the beginnings of most sections and applications. Exercises provided at the ends of chapters are intended to be spreadsheet may be helpful in some cases