Excel is an important tool for chemical engineers, but mastering it can sometimes be a challenge. If you're having trouble getting a grip on scatter charts, check out this video tutorial that's part of the Learn ChemE series from the University of Colorado Boulder Department of Chemical and Biological Engineering. Other aspects of Excel are still a problem? Check out the entire playlist of chemical engineering computing that delves into many of the Excel calculations you may need, including multiple regression in Excel, Introduction to Macros in Excel, and much more. There are also tutorials on Matlab, so check out the whole Engineering Computing Playlist.