Excel

http://www.contextures.com/tiptech.html
http://www.homeandlearn.co.uk/excel2007/Excel2007.html
http://spreadsheets.about.com/od/excelformulas/u/formulas_functions_user_path.htm

Job
http://www.indianjobtalks.com/forum/forumdisplay.php?f=12&page=5