Slader Help Center

Your questions, answered.

Subscription FAQs

What does the Slader College subscription get me?

The Slader College subscription will give you unlimited access to a large library of upper-level College content and solutions, an ad-lite experience for distraction-free studying, and solution one-sheeters to save you time!

How do I cancel my subscription?

If you purchased through the web (credit card, Paypal, Apple Pay or Google Pay), then you can cancel by visiting your profile and clicking “Cancel” on your plan. Your recurring payments will end immediately and you will continue to have access to your subscription until the end of your billing period.

Follow the instructions above also if you purchased Slader College through the Slader app.

However if you purchased High School+ through the Slader app then you will need to cancel your subscription through your system preferences on your phone.

For iOS, go into your Settings >> click your name at the top >> Subscriptions >> Slader >> Cancel Subscription, and follow instructions.

For Android, open Google Play Store >> Menu >> Subscriptions >> Slader >> Cancel Subscription, and follow instructions.

If you still need help, please contact [email protected] and include as much information about your account as you can, and we will do our best to help.

I just bought a College subscription, why am I still seeing ads?

Slader College still has ads, just fewer of them. If you want unlimited access to College content AND no ads, then you’ll need to get Slader College and High School+.

How can I upgrade my High School+ subscription to a College subscription?

Please contact us at [email protected] and we will try to help you out.

Will my subscription automatically renew?

Yes, all Slader subscriptions renew automatically. To avoid recurring charges please cancel your subscription before the end of the current billing period.

How do I deactivate my Slader account?

In order to deactivate your account, sign in and go to your account profile. Follow these steps: Profile >> Settings >> ‘Deactivate my account’ (last option beneath ‘The Basics’ header).

Textbook Solutions FAQS

Why is this textbook empty?

Whoops. It appears you landed on a book that is still under construction. We’ve got millions of textbook solutions on Slader, but some books are not yet complete. To be extra sure that we don’t have your book, please try searching again as some books have various versions and you may have landed on the wrong one.

Still can’t find your solutions? If you’ve got a specific homework question, then try Q&A.

Why is there no solution for my problem?

Our experts are hard at work authoring and verifying solutions for textbooks on Slader. You are welcome to submit your own solution for review. The next student like you will appreciate it.

What should I do if I find an incorrect solution?

If you have found a mistake, then there are a few things you can do:

  1. Rate the solution. This will send a signal to our moderators, and help other students who come across the solution.
  2. Leave a comment on the incorrect solution. The author of the solution will be notified and they may correct their work (or explain why they think it is correct).
  3. Add your own solution. Just log in, go to the exercise page, and click the big red "upload your solution" button. You can write your answer there, and an expert will review your answer.
What is an ISBN?

A book's ISBN number is a unique identifier that can be used to differentiate it from other books. While different books can have the same titles, authors or publishers, each book has only a single unique ISBN. ISBN numbers are located on the back covers of books, next to their barcodes.

How can I upload a photo of my solution?

We no longer allow users to upload photos of their solutions, in order to submit a solution please follow these steps:

  1. Log in at
  2. Navigate to the exercise you'd like to solve
  3. Click the big, red "upload your solution" button
  4. Write up your solution and press "submit"

Note that as of right now, solutions cannot be written inside the apps- it has to be done through the website.


How does Q&A work?

Slader Q&A is community powered, supported by millions of students and contributors from all across the globe, with experts here everyday answering lots of questions, so don’t hesitate to ask yours!

Have a question? Ask it now!

How can I ask a question?

To post a question on Slader using your desktop computer, go to this link, type your question and follow the guidelines.

To post a question using your phone on Slader, visit this link, point the phone's camera at the question and follow through with the guidelines.

Do I need to sign up to ask a question?

Nope! You can ask your questions anonymously.

How do I make sure I get an answer?

Unfortunately, we cannot guarantee you will get an answer. But you can improve your chances by signing up (we prioritize registered users) and asking a homework question that is concise and clear and asks for only one answer.

What kind of questions can I ask?

Slader is an academic website serving students in all grades from high school through college and beyond. If you’re taking a class, then there’s a good chance your homework question or study problem is a good problem for Slader.

But we do have a couple rules.

Please make sure that you ask only 1 question at a time. If you have multiple questions, come back and ask again.

If you are attaching a photo, please make sure that it’s clear. Try to crop out any extraneous information.

We reserve the right to delete questions that are unclear, ask for multiple answers, or which might be interpreted as spam.

Do you have to pay to ask a question?

Nope. Asking on Slader is free and easy. No signup required.

Will I get a notification if my question is answered?

Yes! If you add your email after asking then you will get a notification when you get an answer. We promise to never send you spam.

If I ask a question when will I get an answer?

Q&A at Slader is community-powered, so we cannot guarantee your question will be answered. But we can guarantee that we’ll try! Our experts prioritize high quality questions asked by registered users. To boost your chances, sign up and ask a question that is clear and concise.

And remember, you can also answer questions on Slader. So feel free to share your question online or with your friends.

How can I find my question?

If you're registered, then find your questions in your profile by...If you're not registered, then remember to copy/paste the URL after you ask. And you can always visit the Q&A Homepage and search to find your question...

How do I add math or other scientific symbols to my question?

Add photos! Or use KaTeX! What is KaTeX? KaTeX is a fast and easy to use JavaScript library that allows you to render mathematical symbols on the web.

Check this out for some examples:

Can I answer questions?

Yes. To find questions to answer go to the Q&A Homepage and search and filter to find questions you can answer.