Daniel Jassy, CFA, is an Investopedia Academy instructor and the founder of SPYderCRusher Research. He contributes to Excel and Algorithmic Trading. Yarilet Perez is an experienced multimedia ...

Enable the Auto-Calculate option. Disable Show Formula option. Check the cell format. Check if the formula is entered correctly. Check for Circular References in the spreadsheet. If the spreadsheet ...

Samantha (Sam) Silberstein, CFP®, CSLP®, EA, is an experienced financial consultant. She has a demonstrated history of working in both institutional and retail environments, from broker-dealers to ...

Calculating data fluctuations-- also called variance -- is a multi-step process that requires total accuracy. Excel 2010 provides two basic formulas for calculating fluctuations, depending on whether ...

I've got a bit of a puzzler here that I'd like some help to figure out. I'm using Excel 2007 to create an analysis tool for my web design class. First ...