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 ...

Daniel Jassy, CFA, is an Investopedia Academy instructor and the founder of SPYderCRusher Research. He contributes to Excel and Algorithmic Trading. David Kindness is a Certified Public Accountant ...

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, ...

Standard interest rates and annualized interest rates are similar in some ways but are used differently in calculations. There are certain things to know when using them to determine costs for lines ...