Modify
The modify dialog is available from the Edit > Modify (Ctrl+M) menu command and from the Modify option on the Data options toolbar. This is used to modify numeric values in tables. It does not apply to text or list fields.
Modify by
This is the numeric value that applies to the modification.
Add
The value will be added to the existing table values.
Factor
The existing table values will be factored by the numeric value.
Power
The existing table values will be raised to the power of the specified value.
Absolute
The existing table values are all made positive.
Modify in
The modification can either be in the selected text of the whole file.