Miscellaneous Symbols

Miscellaneous Symbols This is a list of the most common miscellaneous symbols.
Symbol	Symbol	Definition	Example
\(a^n\)	-	power, an exponent	\(5^4 = 3125\)
%	-	percent, \(1\)% \(= 1/100 \)	\(5\)% \(\times 4 = 0.2 \)
\(\Phi\)	Phi	golden ratio	\(1 : 1.6180339887...\)
\(\pi\)	pi	Pi	\(\pi = 3.141592654... \)
\(e\)	-	Euler's number constant	\(e = 2.718281828...\)
\(\gamma\)	gamma	Euler-Mascheroni constant	\(\gamma = 0.5772156649...\)
\(x!\)	-	fractional	\(5!=5\;x\;4\;x\;3\;x\;2\;x\;1=120 \)
\(\int\)	int	integral, adding slices to find the whole	\(\int 2x \; dx\)
\( \sum\)	sum	sigma, summation or sum of all	\( \sum_{n=4}^8 n = 4+5+6+7+8=30 \)
\(\exists\)	exists	there exists
\(\nexists\)	nexists	there does not exists
\(\forall\)	forall	for all
\(\infty\)	infty	infinity
\(\propto\)	propto	porportional to	\(\frac{1}{4} \propto \frac{2}{8}\)
\(i\)	-	imaginary number	\(i=\sqrt{-1}\)