How to use subscripted&superscripted ?

Question

add equal like :

=example ₁

=example ²

write like this then it will work

Answer 1

The <sub> tag defines subscript text. Subscript text appears half a character below the normal line, and is sometimes rendered in a smaller font. Subscript text can be used for chemical formulas, like "H2O" (Naturally, now don't work, if you want to see an example: https://goo.gl/images/MUIWA3)

The <sup> tag defines superscript text. Superscript text appears half a character above the normal line, and is sometimes rendered in a smaller font (Naturally, now don't work, if you want to see an example: https://goo.gl/images/3izMYS)

Source: w3schools