Help Needed Please: Trying to figure out how to make my old 'Exploring Abstract Algebra with Mathematica' work with Mathematica v11. Has anyone had success with this? If so would you please share? Thank you... Bill
Welcome to Wolfram Community! Please make sure you know the rules: https://wolfr.am/READ-1ST
Your question is unclear and lacking information to understand it.
Please EDIT your posts and add enough references and details.