Hello Aspirant

I hope you are doing welll. As per your query , I would like to inform you that persuing masters in maths with computer science is a very good option. It will open various of number of opportunities in IT industries and teaching field . I would suggest you to go for machine learning as it highly related with integral calculus and computer science . You will find it very interesting and demand of ML engineer is very high

Hope you found this answer helpful. Good luck for your future