How do you say math major in English?

Question 1: I am a math major.

I choose mathematics as my major.

Actually, it's all the same.

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Question 2: "My major is ..." How do you say English major?

My major is mathematics.

Or I majored in math.

Of course, some people use their majors professionally.

Question 3: My major is applied mathematics. My major is applied mathematics.

Question 4: In English, "specialty" is the first one, and the second one means "particularity".

You can also use major. And occupation L mainly refers to occupation.

Question 5: "My undergraduate major is mathematics". I majored in mathematics in college.

Question 6: How to translate "Basic Mathematics Major" in English? Basic mathematics specialty