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.

How to Delete Functions in Excel. Excel uses the Visual Basic for Applications (VBA) language to generate functions used within the spreadsheet. Most developers use Excel functions to automate ...

How to Protect and Hide Excel Macros. Creating a macro in Microsoft Excel allows you to program automatic tasks into a spreadsheet or template that can contain multiple commands or functions for ...