Yeah, there’s no sufficient explanations on the site. Either it’s inside knowledge for a student with abstract maths taken, or it means nothing but is a site that is trying to lure people to it. (It requests you to sign up! to learn more???)
Yeah, there’s no sufficient explanations on the site. Either it’s inside knowledge for a student with abstract maths taken, or it means nothing but is a site that is trying to lure people to it. (It requests you to sign up! to learn more???)