Uncomment Block button, VB Editor, 648
Undo button, 619
Undo tool, Quick Access toolbar (QAT), 14
Union function, 677
unique random integers, generating, 436-437
unit conversions, 277-279
Up/Down Bars option, Chart Tools, 459
UPPER function, 125, 743
Use a Formula to Determine Which Cells to Format rule, 532, 544-546
Use Function option, Subtotal dialog box, 274
Use GetPivotData Function For PivotTable References option, 520
Use in Formula command, 58, 72
Use Row and Column Names check box, 75
UsedRange property, 677-678
Usenet internet service, 769
user interface
customized onscreen display, 18-19
data entry, 19
drag and drop, 17
keyboard shortcuts, 18
object and cell selecting, 19-21
Office Button menu, 14-15
Quick Access Toolbar (QAT), 16
Ribbon, 12-14
shortcut menus and the mini toolbar, 15-16
smart tags, 16-17
task pane, 17
user-defined functions, 113
user-defined functions (UDFs), 624
UserForms, 8