LaTeX math markup

Subscripts, superscripts, integrals

Feature	Syntax	How it looks rendered
		HTML	PNG
Superscript	a^2	$a^{2}$	$a^{2}\,\!$
Subscript	a_2	$a_{2}$	$a_{2}\,\!$
Grouping	a^{2 2}	$a^{22}$	$a^{22}\,\!$
	a_{i,j}	$a_{i,j}$	$a_{i,j}\,\!$
Combining sub