This article covers various topics related to investment mathematics for finance and treasury professionals. It discusses instruments like yield spread analysis, price/yield sensitivity, and interest rate futures contracts. The concept of yield, term structure of interest rates, and securities with contingent cash flows are also explored. Additionally, the article delves into foreign exchange, options, exotic options, interest rate swaps, and other interest rate derivatives. Risk/return analysis, information location, appendices, glossary, and index are included to provide a comprehensive overview of the subject matter.