MS Excel
The Paste Special command lets you copy and paste:

Multiply the selection by a copied value
Formatting options
Cell comments
The resulting values of a formula instead of the actual formula

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MS Excel
How do you delete a column?

Right click the column heading you want to delete and select delete from the shortcut menu
Select the column heading you want to delete and select Insert Delete from the menu
Select the row heading you want to delete and select Edit>Delete from the menu
Select the column heading you want to delete and select the Delete Row button on the standard toolbar

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