Purvanchal University allows its student to take calculators for the semesters examination provided one must ensure that the calculator is non-programmable. So you can take non-programmable scientific calculator to your 3rd semester examination for the BCA course.

To know more about the BCA visit the link below:

https://www.careers360.com/courses/bca-bachelor-of-computer-applications

I hope this answer helps. All the very best for your future endeavors!