A control chart plots measured values along with upper and lower quality control limits. Values appearing outside these limits are unacceptable and could indicate a manufacturing problem. Although ...

Users will appreciate a chart that updates right before their eyes. In Microsoft Excel 2007 and Excel 2010, it's as easy as creating a table. In earlier versions, you'll need the formula method.

If you’re a full-time spreadsheet jockey, or just a casual number-cruncher, you’ve come to know and either love or hate Excel’s interface. Well, your world just changed. Throw away almost everything ...