Symbols | Words |
---|---|
|
|
= | equals |
|
Are the statements equal? |
|
is approximately equal to |
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is not equal to |
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is less than |
|
is greater than |
|
is less than or equal to |
|
is greater than or equal to |
|
is congruent to |
|
plus or minus |
( ) | parentheses for grouping |
[ ] | brackets for grouping |
{ } | set braces |
% | percent |
|
absolute value of a |
… | and so on |
|
opposite of a |
|
pi, an irrational number, approximately equal to 3.14 |
|
degree(s) |
|
nth power of a |
|
nonnegative square root of x |
|
reciprocal of a |
|
|
|
line through points A and B |
|
segment with endpoints A and B |
AB | length of
|
|
angle A |
|
measure of angle A |
|
triangle ABC |
(x, y) | ordered pair |
|
specific values of the variable x |
|
specific values of the variable y |
|
mean of data values of x |
|
standard deviation |
f(x) | f of x; the function value at x |
m | slope of a line |
b | y-intercept of a line |
a:b | ratio of a to b |
|
matrix |
|
sine of
|
|
cosine of
|
|
tangent of
|
n! | n factorial |
|
permutations of n objects arranged r at a time |
|
combinations of n objects chosen r at a time |
P(event) | probability of an event |
∧ | raised to a power (in a spreadsheet formula) |
* | multiply (in a spreadsheet formula) |
/ | divide (in a spreadsheet formula) |