Please note: This item is from our archives and was published in 2001. It is provided for historical reference. The content may be out of date and links may no longer function. Q. Okay, so Excel is a ...

The Relative Strength Index is a calculation that measures oscillations in the value of a stock over a period of time. Published in 1978, the RSI was developed by technical analyst J. Welles Wilder Jr ...

If you are using Microsoft Excel to manage numerical data, at some point you're inevitably going to display percentages. Doing so can give you a new insight, or make summarizing heaps of data a bit ...

Your profit margin is an important figure for your business because it tells you the percentage of each sale that is profit. Profit margins are important when you are pricing products, generating ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Charlene Rhinehart is a CPA , CFE, chair of ...