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Sách Lean Excel Top Functions Quick Reference Guide with 500 Examples
Learn how to use more than 100 of the most useful functions in Microsoft Excel! This is an introductory level book perfect for beginner or advanced Excel users who want to quickly know the correct function to use. Also included is a link to an example workbook with over 500 examples explaining how each function works and why the function may return an error. Most of the functions are available since Excel 97 but some are only available after Excel 2007.