Possible Duplicate:
how to scale math font only
Similar to how to change math font only, is there a way to change the size of fonts in math formulas?
EDIT -- DUPLICATE OF how to scale math font only
Possible Duplicate:
how to scale math font only
Similar to how to change math font only, is there a way to change the size of fonts in math formulas?
EDIT -- DUPLICATE OF how to scale math font only
By using the commands
\displaystyle\textstyle\scriptstyle\scriptscriptstyle
\DeclareMathSizes. Have a look at Size of math equations in LaTeX and how to scale math font only for further explanation. – Stefan Kottwitz Jan 26 '11 at 06:02