Excel 2007 Bible PDF - جون والكنباخ

* This book is a single reference that's indispensable for Excel beginners, intermediate users, power users, and would-be power users everywhere * Fully updated for the new release, this latest edition provides comprehensive, soup-to-nuts coverage, delivering over 900 pages of Excel tips, tricks, and techniques readers won't find anywhere else * John Walkenbach, aka "Mr. Spreadsheet," is one of the liworld's leading authorities on Excel * Thoroughly updated to cover the revamped Excel interface, new file formats, enhanced interactivity with other Office applications, and upgraded collaboration features * Includes a valuable CD-ROM with templates and worksheets from the book"