FAQ, Support, and Feedback
A collection of frequently asked questions and their answers about our courseware packages.
Software Help
View documentation for our applications:
Registered users of our software can obtain the latest versions of the software (including previews) by logging into their (student) account. You must be a registered user of the software, i.e. have a registration id, and have made at least one submission using Submit.
View the release notes for the software.
We appreciate hearing about bugs in our software, and address all reports as quickly as possible.
Use the form on this page to send a comment or ask a question.
We allow students to change their email address for a 30-day period after they begin using the Grade Grinder. Our Email Change Policy explains the limitations and why we enforce them.
Old documentation
Documentation for the LPL applications accompanying the first edition of the textbook can be found here.- For Macintosh: Boole, Fitch, Tarski's World, Submit
- For Windows: Boole, Fitch, Tarski's World, Submit
- For Linux: Boole, Fitch, Tarski's World, Submit

