Question

how do you post mathematical problems here

Answer 1

latex helps

Answer 2

Use the equations editor on the left corner from the reply box.

Answer 3

Do you have any specific questions? Like how to do a certain thing?

Answer 4

You could use both LaTex and the reply box. Though latex helps visualize more advance problems easier. Or you could just attach a screen shot using the attach file tab below the reply box

Answer 5

There's three tabs, use which ever you feel comfortable with. :)