Here is a tutorial to lock or hide only the formula cells in an Excel workbook. You can also lock formulas in all worksheets in a workbook.

To make your cell non-editable in Excel, you have to lock the cell and use a password to protect the information. Learn how!

Excel table formulas driving you crazy? Learn the fix to lock column references, prevent errors, and simplify your spreadsheet calculations ...

Save this for the spreadsheet jocks in your office—we'd bet even the experts don't know all of these formula tips.