Question

which pen is best to write in math subject​

Answer 1

Explanation:

Any western ef or f steel nib is good. Most Japanese up to an m is likely manageable. The best nail-like gold nib for math is likely a sailor. If I was using a fountain pen through engineering school, my go-to would be a sailor 1911L in a fine nib.

Answer 2

Answer:

Black pen (dot or ball) Goldex Delta company is very good