This document discusses financial functions in Microsoft Excel. It begins with a basic introduction to Excel, describing how it simulates a worksheet with cells that can contain formulas calculating values from other cells. It then explains that financial functions are useful for professionals to automate calculations and get accurate solutions. Some common financial functions in Excel are listed, including SUM, FUTURE VALUE OF ANNUITY, PRESENT VALUE OF ANNUITY, and NET PRESENT VALUE. Formulas for each of these functions are also provided.