All kinds of probabilities, sequences and functions in mathematics are used in finance. . . Something as simple as asking you to calculate the interest on the installment plan is used. . .

English is to understand the material. . . I don't agree to focus on English. . . Of course, it depends on personal interests. . .

As for the computer, it is a tool. . . All the work is done on the computer. . . At least word, excel and ppt can be used. . .

If you want to work more, it is necessary to learn some financial software. . . Or for the convenience of using matlab. . .