Which MBA specialisation has more maths and low communication requirement?

Hi, The basic mathematics would be everywhere, which you have already studied till class 10th. Since, your interest is in retail, then you can go for specialization in retail management. With work experience, it will be easy for you to understand the concepts. All the best.

Financial engineering is one of the specialization, where you have to deal with more of mathematics than communication. It involves probability, statistics and calculus.