This site walks users through the basics of the Microsoft Excel Spreadsheet program, beginning with an explanation of what a spreadsheet is.
Topics covered include formatting, making charts, and more.
This would be an excellent resource for brushing up on Excel, or a good introduction for new users. Teacher's Lounge - Integrating technology in the Classroom Technology Coordinator's Web Site . See section on professional development for technology integration Staff Development Resources - includes tips on conducting better meetings, computers and development, etc.