• Commenting formulas allows you to temporarily disable evaluation of the selected formulas.

• To comment all Mathematica formulas on a sheet, click the top-left corner of the header rows between A and 1 to select the entire sheet.

• To comment all Mathematica formulas in a workbook, click Unlink under Mathematica Options Workbook.

• Location: Context Menu

• Keyboard shortcut: Ctrl-Shift-'

• Icon: None