Abbreviations, Acronyms & Symbols List   Last Update:  March 19, 2009

Symbol	Meaning
≈	is approximately equal to
e.g.	for example
i.e.	that is
...	therefore
a.k.a.	also known as
≠	is NOT equal to
→	implies
↔	if and only if (a bi-directional or  double implication)
@	at
#	number
∞	infinity
Î	is an element of
	(the set of) Real numbers
w/	with
w/o	without
w.r.t.	with respect to

Greek Alphabet