Computer Science

Apply the Percentage format with no decimal places. : Ctrl+Shift+percent sign (%)
Apply the Scientific number format with two decimal places. : Ctrl+Shift+caret sign (^)
Apply the General number format. : Ctrl+Shift+tilde sign (~)
Apply the Currency format with two decimal places (negative numbers in parentheses). : Ctrl+Shift+dollar sign ($)
Use the Fill Down command to copy the contents and format of the topmost cell of a selected range into the cells below. : Ctrl+D
Remove the outline border from the selected cells. : Ctrl+Shift+underline (_)
Display or hide the outline symbols. : Ctrl+8
Switch between hiding objects, displaying objects, and displaying placeholders for objects. : Ctrl+6
Apply an outline border to the selected cells. : Ctrl+Shift+ampersand (&)
Underline text or remove underline. : Ctrl+U or Ctrl+4
Apply or remove strikethrough formatting. : Ctrl+5
Italicize text or remove italic formatting. : Ctrl+I or Ctrl+3
Bold text or remove bold formatting. : Ctrl+B or Ctrl+2
Paste content at the insertion point, replacing any selection. : Ctrl+V
Open the Paste Special dialog. : Ctrl+Alt+V
Move the selected cells. : Ctrl+X
Copy the selected cells. : Ctrl+C
Switch between displaying cell values or formulas in the worksheet. : Ctrl+grave accent (`)
Copy a formula from the cell above the active cell into the cell or the Formula Bar. : Ctrl+apostrophe (')
Enter the current time. : Ctrl+Shift+colon (:)
Enter the current date. : Ctrl+semi-colon (;)
Open the Insert dialog to insert blank cells. : Ctrl+Shift+Plus sign (+)
Open the Delete dialog to delete selected cells. : Ctrl+Minus sign (-)
Insert a threaded comment : Ctrl+Shift+F2
Open and reply to a threaded comment : Ctrl+Shift+F2
Insert a note : Shift+F2
Open and edit a cell note : Shift+F2
Format fonts in the Format Cells dialog. : Ctrl+Shift+F or Ctrl+Shift+P
Edit the active cell and put the insertion point at the end of its contents. Or, if editing is turned off for the cell, move the insertion point into the formula bar. If editing a formula, toggle Point mode off or on so you can use arrow keys to create a reference. : F2
Zoom out. : CTRL+ALT+-