math font size

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I am using tex (not LaTex);  Could you please describe a way
to change the size of equations (with only subscripts)i created in
the math mode;  say increase the size by 2pt.

Many thanks.

Walt Burkhard

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<div dir=3D"ltr"><div class=3D"gmail_default" style=3D"font-family:garamond=
,times new roman,serif;font-size:large">I am using tex (not LaTex); =C2=A0C=
ould you please describe a way</div><div class=3D"gmail_default" style=3D"f=
ont-family:garamond,times new roman,serif;font-size:large">to change the si=
ze of equations (with only subscripts)i created=C2=A0in</div><div class=3D"=
gmail_default" style=3D"font-family:garamond,times new roman,serif;font-siz=
e:large">the math=C2=A0mode; =C2=A0say increase the size by 2pt.</div><div =
class=3D"gmail_default" style=3D"font-family:garamond,times new roman,serif=
;font-size:large"><br></div><div class=3D"gmail_default" style=3D"font-fami=
ly:garamond,times new roman,serif;font-size:large">Many thanks.</div><div c=
lass=3D"gmail_default" style=3D"font-family:garamond,times new roman,serif;=
font-size:large"><br></div><div class=3D"gmail_default" style=3D"font-famil=
y:garamond,times new roman,serif;font-size:large">Walt Burkhard</div></div>

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