Iran Civil Center - Engineering Tools

November 21, 2008

Home -» Engineering Tools -» Mathematical Symbols

Engineering Tools

For a more accurate, effective and practical tools,
you are kindly asked to send your suggestions to:

Mathematical Symbols

+	plus or positive
-	minus or negative
±	plus or minus, positive or negative error margin
×	multiplied by
÷	divided by
/	divided by
=	equal to
	identically equal to
≠	not equal to
	not identically equal to
	approximately equal to
~	of the order of or similar to
>	greater than
<	less than
	not greater than
	not less than
::	as
	for all
	there exists
{ }	set
< >	mean
	belongs to
	not belongs to
	is equivalent to
	implies
!	factorial

≥	greater than or equal to
≤	less than or equal to
	much greater than
	much less than
√	square root
	Infinity
	proportional to
∑	sum of
∏	product of
	difference
	vector differential
	therefore
∠	angle
\|\|	parallel to
⊥	perpendicular to
:	is to
	because
	intersection
	union
	subset
	is not a subset
ø	empty
	maps into, approaches the limit
…	ellipsis
.	multiply/times, scalar product of vectors