Graphing with Microsoft Excel http://www.saburchill.com/IBbiology/graphs/003.html
Dimensional analysis step-by-step http://www.alysion.org/dimensional/fun.htm
More dimensional analysis step-by-step http://www.chem.tamu.edu/class/fyp/mathrev/mr-da.html
Online conversion table http://www.asknumbers.com/
Interactive periodic table from the American Chemical Society http://center.acs.org/periodic/tools/PT.html
Chemistry tutorials arranged by subject - Looks good! http://www.wwnorton.com/chemistry/index/site_map.htm
Connect to Chem 400 online book http://my.hrw.com
GRAPHING DATA WITH EXCEL (PICTURES INCLUDED) http://www.ncsu.edu/scivis/lessons/Beerslaw/chemdata.html#eaf