how to add subscript(or superscript) in notion block？

Question

i am new in using notion as a notebook.Before this,i use oneNote instead,because i found that notion is more convinient in same ways.But one thing making me annoyed is that i can't add subscript(or superscript) in notion text block。Are there any fellows can handle this？ as shown： text with subscript i need

when i edit in notion block i get like this

Answer 1

For subscript:

/math

Then C_1 renders C₁

For superscript:

/math

Then C^2 renders C²