When students first arrive at CED there are expectations that they have basic knowledge on certain software applications. For example the Office Suite (Microsoft Excel, Word, and PowerPoint); image applications (Adobe Acrobat, PhotoShop, and Illustrator); and some specialty software (AutoCAD or ESRI ArcGis).
Microsoft: Microsoft offers a 30-day free trial to on-line tutorials here.
AutoDesk: AutoDesk offers an "education community" access through a sign-up process here.
ESRI: ArcGIS Desktop tutorials (9.2) here. Also there are several ESRI MOOCs (on line classes) available here for you to take covering such topics as a general introduction and spatial analysis; in the future topics will include Earth Imagery and do-it-yourself Geo Apps.