You can always send your questions to math-you @gmail.com.
Plans are in the pipeline to add videos lecture for each topic.
We plan to add 4 to 6 topics each month and all subscribers will be notified of the updates.
The site is a good resource for instructor. If you are an instructor, you can use the instructor questions for your Quizzes and Tests. As a student, you can access the free lecture notes with a lot of solved examples and do the questions for more practice
Right now the only way to pay is through Paypal . PayPal is a highly secure financial service, backed with some of the best end-to-end encryption available. You should also make sure to enable two-factor authentication, and delete any unused bank accounts or email addresses. Even with all this security, remember that no online service is immune to hacking or theft.
