Some great materials for familiarizing yourself with how Excel works, and some of its capabilities
Excel 2010 Tutorial For Beginners #1 – Overview
Excel 2010 Tutorial For Beginners #2 – Enter & Edit Text and Numbers
Excel 2010 Tutorial For Beginners #3 – Calculation Basics & Formulas
Excel 2010 Tutorial For Beginners #4 – AutoSum Function
Excel 2010 Tutorial For Beginners #5 – Functions AVERAGE MAX MIN COUNT
Excel 2010 Tutorial For Beginners #6 – Number Formats
Excel 2010 Tutorial For Beginners #7 – Formatting Worksheets
Excel 2010 Tutorial For Beginners #8 – Conditional Formatting Pt.1
Excel 2010 Tutorial For Beginners #9 – Conditional Formatting Pt.2
Excel 2010 Tutorial For Beginners #10 – Charts Pt.1
Excel 2010 Tutorial For Beginners #11 – Charts Pt.2 Pie Chart
Microsoft Excel Tutorial for Beginners #12 – Printing
Microsoft Excel Tutorial for Beginners #13 – Updating Calculations
Microsoft Excel Tutorial for Beginners #14 – Percentages and Absolute References