Font size in maths mode (math mode)

Use the following commands to change the font size in maths mode:

{displaystyle }
size for equations in display mode
{textstyle }
size for equations in text mode; this will make the equation font size the same as the surrounding text
{scriptstyle }
size for first level of sub- and superscripts
{scriptscriptstyle }
size for subsequent sub- and superscripts

For example, use {textstyle fleft(xright)=x} is a body of text to make the equation have the same font size as the text. This works no matter what the size of the surrounding text is.

For more on how to use this, see Getting to Grips with Latex – Mathematics II.

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