This course is about mathematical theory of interest, introducing the financial mathematical concepts and its application to investment and corporate finance. Along with the understanding on probability, this course is designed to help students prepare for taking the Financial Mathematics Exam, which is also refer to FM exam by SOA (Society of Actuaries) and EXAM 2 by the CAS (Casualty Actuarial Society). It is quite recommended that students can use the Texas Instruments BAII Plus or Texas Instruments BAII Plus Professional calculator. The textbook gives a detailed instructions on how to use the calculators in the beginning.