I feel that mathematics is best combined with computers, such as arithmetic.
In fact, I think the later study can be mastered even if there are no professionals, because it is finally found that there are no computer majors in the winning team, and the writing of the paper is also very important.
The most needed software feeling is MATLAB. It is best to master lingo and C, and spss is also included. No matter what programming, it is good to accurately express the algorithm program in modeling.