In the WCC course guide, Shih Ying sells his Practical Calculus course as follows: "This class requires no prior knowledge except experience of high-school maths lessons. That's all--there's no need for any particular level of skill, because we teach everything from scratch!
在社區大學選課手冊中，史英這麼推銷他的「生活微積分」：「這門課不要求一定的預備知識，除了要有一點國中數學的經驗，但只要那個經驗就好，完全不必要有什麼程度，因為每一件事我們都會從頭教起！