You can read how all of them are calculated on stockcharts.com. That helped me a lot. Like the last guy, I look at fundementals more than indicators also. <a href="http://stockcharts.com/school/doku.php?id=chart_school:technical_indicators" rel="nofollow" target="_blank">http://stockcharts.com/school/doku.php?id=chart_school:technical_indicators</a>