All articles ← Knowledge Base Can I answer questions? Can you add my textbook? Can't find your book? Do I need to sign up to ask a question? Do you have to pay to ask a question? Does Slader have an app? How can I find my question? How do I add math or other scientific symbols to my question? How do I ask a Question? How do I cancel my premium subscription? How do I deactivate my Slader account? How do I make sure I get an answer? How do I scan my barcode? How does Q&A work? If I ask a question when will I get an answer? Want your question prioritized? What is an ISBN? What kind of questions can I ask? What should I do if I find an incorrect solution? What’s a ‘good’ question? Who are Slader Experts? Why is there no solution for my problem? Why is this textbook empty? Will I get a notification when my question is answered?