Tips from the Spreadsheet Page 6 Tips: This isn't Excel it's Magic 100 Excel Tips from Chandoo.org Swarthmore Tips for Mac Users Tips for PC Users (U of Brighton)
Videos from spreadsheetsolving.com More formulas: SUMSQ + MEDIAN + MODE
BONUS TIPS You can force a carriage return by using ALT-ENTER on a PC or CTRL-OPTION-RETURN on a Mac