π <annotation-xml encoding="MathML-Content" id="p1.1.m1.1b"> <pi id="p1.1.m1.1.1.1.cmml" xref="p1.1.m1.1.1.2"/> </annotation-xml> {\displaystyle{\displaystyle\pi}}
d x <annotation-xml encoding="MathML-Content" id="p1.1.m1.1b"> <apply id="p1.1.m1.1.1.1.cmml" xref="p1.1.m1.1.1.2"> <diff id="p1.1.m1.1.1.1.1.cmml" xref="p1.1.m1.1.1.2.1.2"/> <ci id="p1.1.m1.1.1.2.2.cmml" xref="p1.1.m1.1.1.2.2">𝑥</ci> </apply> </annotation-xml> {\displaystyle{\displaystyle\mathrm{d}\NVar{x}}}
e <annotation-xml encoding="MathML-Content" id="p1.1.m1.1b"> <exponentiale id="p1.1.m1.1.1.1.cmml" xref="p1.1.m1.1.1.2"/> </annotation-xml> {\displaystyle{\displaystyle\mathrm{e}}}
i <annotation-xml encoding="MathML-Content" id="p1.1.m1.1b"> <csymbol cd="dlmf" id="p1.1.m1.1.1.1.cmml" xref="p1.1.m1.1.1.2">imaginary-unit</csymbol> </annotation-xml> {\displaystyle{\displaystyle\mathrm{i}}}
∫ <annotation-xml encoding="MathML-Content" id="p1.1.m1.1b"> <int id="p1.1.m1.1.1.cmml" xref="p1.1.m1.1.1"/> </annotation-xml> {\displaystyle{\displaystyle\int}}
f ⁢ ( x ) <annotation-xml encoding="MathML-Content" id="p1.1.m1.1b"> <apply id="p1.1.m1.1.5.cmml" xref="p1.1.m1.1.5"> <times id="p1.1.m1.1.5.1.cmml" xref="p1.1.m1.1.5.1"/> <ci id="p1.1.m1.1.1.cmml" xref="p1.1.m1.1.1">𝑓</ci> <ci id="p1.1.m1.1.3.cmml" xref="p1.1.m1.1.3">𝑥</ci> </apply> </annotation-xml> {\displaystyle{\displaystyle f(x)}}
f n <annotation-xml encoding="MathML-Content" id="p1.1.m1.1b"> <apply id="p1.1.m1.1.3.cmml" xref="p1.1.m1.1.3"> <csymbol cd="ambiguous" id="p1.1.m1.1.3.1.cmml" xref="p1.1.m1.1.3">subscript</csymbol> <ci id="p1.1.m1.1.1.cmml" xref="p1.1.m1.1.1">𝑓</ci> <ci id="p1.1.m1.1.2.1.cmml" xref="p1.1.m1.1.2.1">𝑛</ci> </apply> </annotation-xml> {\displaystyle{\displaystyle f_{n}}}
r <annotation-xml encoding="MathML-Content" id="p1.1.m1.1b"> <ci id="p1.1.m1.1.1.cmml" xref="p1.1.m1.1.1">𝑟</ci> </annotation-xml> {\displaystyle{\displaystyle r}}
g ⁢ ( z ) <annotation-xml encoding="MathML-Content" id="p1.1.m1.1b"> <apply id="p1.1.m1.1.5.cmml" xref="p1.1.m1.1.5"> <times id="p1.1.m1.1.5.1.cmml" xref="p1.1.m1.1.5.1"/> <ci id="p1.1.m1.1.1.cmml" xref="p1.1.m1.1.1">𝑔</ci> <ci id="p1.1.m1.1.3.cmml" xref="p1.1.m1.1.3">𝑧</ci> </apply> </annotation-xml> {\displaystyle{\displaystyle g(z)}}
g n <annotation-xml encoding="MathML-Content" id="p1.1.m1.1b"> <apply id="p1.1.m1.1.3.cmml" xref="p1.1.m1.1.3"> <csymbol cd="ambiguous" id="p1.1.m1.1.3.1.cmml" xref="p1.1.m1.1.3">subscript</csymbol> <ci id="p1.1.m1.1.1.cmml" xref="p1.1.m1.1.1">𝑔</ci> <ci id="p1.1.m1.1.2.1.cmml" xref="p1.1.m1.1.2.1">𝑛</ci> </apply> </annotation-xml> {\displaystyle{\displaystyle g_{n}}}