|
…
dot dot dot
|
and so on |
|
=
equals
|
is equal to, equality |
|
≈
almost equal to
|
is approximately equal to |
|
≠
not equal to
|
is not equal to |
|
>
greater than
|
is greater than |
|
<
less than
|
is less than |
|
≥
greater than or equal to
|
is greater than or equal to |
|
≤
less than or equal to
|
is less than or equal to |
|
≯
not greater than
|
is not greater than |
|
≮
not less than
|
is not less than |
|
+
plus
|
plus (addition) |
|
−
minus
|
minus (subtraction) |
|
·
,
×
middle dot comma times
|
times (multiplication) |
|
n
2
n squared
|
square of n
|
|
x
square root of x
|
nonnegative square root of x
|
|
±
plus minus
|
plus or minus |
|
%
percent
|
percent |
|
|
a
|
absolute value of eh ,
|
absolute value of a
|
|
(
)
,
[
]
open close comma left bracket right bracket
|
parentheses and brackets for grouping |
|
p
→
q
p rightwards arrow , q
|
if p, then q
|
|
p
↔
q
p left right arrow , q
|
p if and only if q
|
|
∼
p
tilde operator p
|
not p
|
|
→
rightwards arrow
|
maps to |
|
−
a
negative eh
|
opposite of a
|
|
d
|
distance |
|
M
|
midpoint |
|
°
degrees
|
degree(s) |
|
A
B
↔
modified eh b with left right arrow above
|
line through points A and B
|
|
A
B
¯
eh b bar
|
segment with endpoints A and B
|
|
A
B
→
eh b vector
|
ray with endpoint A and through point B
|
|
AB
|
length of
A
B
¯
eh b bar
|
|
∠
A
angle eh
|
angle with vertex A
|
|
∠
A
B
C
angle eh b c
|
angle with sides
B
A
→
b eh vector and
B
C
→
b c vector
|
|
m
∠
A
m angle eh
|
measure of angle A
|
|
angles |
|
Δ
A
B
C
cap delta eh b c
|
triangle with vertices A, B, and C
|
|
┐
box drawings light down and left
|
right angle symbol |
|
triangles |
|
≅
approximately equal to
|
is congruent to |
|
≇
neither approximately nor actually equal to
|
is not congruent to |
|
∼
tilde operator
|
is similar to |
|
=
?
modified equals with question mark above
|
Is this statement true? |
|
▱
white parallelogram
ABCD
|
parallelogram with vertices A, B, C, and D
|
|
parallelograms |
|
A
′
eh prime
|
image of A, A prime |
|
A
|
area |
|
s
|
length of a side |
|
b
|
base length |
|
h
|
height, length of an altitude |
|
d
|
diameter |
|
r
|
radius |
|
P
|
perimeter |
|
π
pi
|
pi, ratio of the circumference of a circle to its diameter |
|
C
|
circumference |
|
b
1
,
b
2
b sub 1 , comma . b sub 2
|
bases of a trapezoid |
|
d
1
,
d
2
d sub 1 , comma . d sub 2
|
lengths of diagonals |
|
a
|
apothem |
|
B
|
area of a base |
| L.A. |
lateral area |
| S.A. |
surface area |
|
ℓ
script l
|
slant height |
|
V
|
volume |
|
n-gon |
polygon with n sides |
|
⊙
A
circle dot eh
|
circle with center A
|
|
A
B
⌢
modified eh b with frown above
|
arc with endpoints A and B
|
|
A
B
C
⌢
modified eh b c with frown above
|
arc with endpoints A and C and containing B
|
|
m
A
B
⌢
m , modified eh b with frown above
|
measure of
A
B
⌢
modified eh b with frown above
|
|
∥
parallel to
|
is parallel to |
|
⊥
up tack
|
is perpendicular to |
|
m
|
slope of a linear function |
|
b
|
y-intercept of a linear function |
|
a
:
b
,
a
b
eh colon b comma , eh over b
|
ratio of a to b
|
|
tan
A
tangent eh
|
tangent of
∠
A
angle eh
|
|
sin
A
sine eh
|
sine of
∠
A
angle eh
|
|
cos
A
cosine eh
|
cosine of
∠
A
angle eh
|
|
(
a
,
b
)
open eh comma b close
|
ordered pair with x-coordinate a and y-coordinate b
|
|
A
B
⇀
modified eh b with right harpoon up above
|
vector with initial point A and terminal point B
|
|
〈
x
,
y
〉
u 3 x comma y u 3
|
ordered pair notation for a vector |
|
v
⇀
modified v with right harpoon up above
|
vector v
|
|
P(event) |
probability of an event |
|
[
1
2
3
4
]
. matrix with 2 rows and 2 columns , row1 column 1 , 1 , column 2 2 , row2 column 1 , 3 , column 2 4 , end matrix
|
matrix |
