Add, subtract, multiply or divide a set of values by another value, using ‘Paste Special’.
Excel General Tips
To add a reference line such as an average or benchmark to a horizontal bar chart.
Add a reference line, such as an average or benchmark, to a VERTICAL bar chart in Excel.
Absolute and relative cell references, and ranges in Excel
How to protect your Microsoft Excel workbook so that users can only view the worksheets you want them to, and data and workbook structure can’t be changed.
To apply conditional formatting in Excel to non-adjacent cells.
If you’re new to Microsoft Excel, or to any function software for that matter, there are a few basic approaches to take
Insert multiple rows or columns into an Excel spreadsheet
How to copy and paste a formula in Excel