Microsoft Excel 2010 can be a huge help for a business when it comes to crunching the businesses numbers. Excel has a number of financial functions revolving around the periodic interest rate, which ...

Claire Boyte-White is the lead writer for NapkinFinance.com, co-author of I Am Net Worthy, and an Investopedia contributor. Claire's expertise lies in corporate finance & accounting, mutual funds, ...

Build flexible Excel functions that automatically handle blanks, defaults, and overrides without messy nested IFs.

Excel has over 475 formulas in its Functions Library, from simple mathematics to very complex statistical, logical, and engineering tasks such as IF statements (one of our perennial favorite stories); ...