There must be over 100 functions in this add-in, here’s a few of the categories:

• sheet manipulations – copy, create (multiple sheets using highlighted cells as the names), deletes, etc, etc
• data manipulations – apply formulas in mass, convert text to numbers and vice versa, tons of stuff
• Text formatting
• Range manipulations
• Mass cell selections
• Printing
• many many many more … you have to see this to appreciate

Here’s their download page.