How to deal with a father who calls me stupid every time I work with him?

So yesterday, I was working with my father for scholarships. Some of the scholarships has questions that you have to answer, which i answer them already. When my father goes checking them, he starts to say, "I don't know what to do with this f*** damn stupid girl. Your essay is so bad. I don't even know how to teach the most stupid girl ever. And I can't be around with stupid people." And again he starts to say, "I don't want to work with this f*** damn stupid girl. Your so stupid." He has been yelling at me and tossing my papers every where. Also, hit the table too. What should i really do?

How to deal with a father who calls me stupid every time I work with him?
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