Symbol
| Meaning
| Example
| Spoken
|
+
| addition
| a + b
| aplus b
|
-
| subtraction
| a – b
| aminus b
|
±
| plus or minus
| X = ± 2
| Xequals plus or minus2
|
×
| multiplication
| a × b
| a times b
|
:
| division
| a: b
| a divided by b
|
=
| equality
| a + b = c
| a plus b equals c
|
| identical to
| a = b
| ais identical tob
|
≠
| non equality
| a ≠ b
| ais not equal tob
|
| fraction
|
| three-quarters, 3 by 4, 3 over 4
|
<
| less
| a < b
| ais less than b
|
>
| more
| a > b
| a is more than b
|
≤
| less or equal
| a ≤ b
| a is less or equal to b
|
≈
| approximation
| a ≈ 10
| a is approximately equal to 10
|
∞
| infinity
| X →∞
| x tends to infinity
|
| proportional to
| X y
| x is proportional to y
|
x²
| square power
| x²
| xsquared
|
| power
|
| x to the power (of) n minus 1
|
| square root
|
| square root of x
|
| nth root
|
| nth root of x
|
/
| per
| km/hr
| kilometers per hour
|
| subscript
|
| P subscript 3, Psub3
|
∫
| integral sign
| ∫x
| the integral of x
|
sin
| sine of
| sin A
| sine of A
|
cos
| cosine of
| cos A
| cosine of A
|
tan
| tangent of
| tan A
| tangent of A
|
cot (ctn)
| cotangent of
| cot A
| cotangent of A
|
sec
| secant of
| sec A
| secant of A
|
cosec (esc)
| cosecant of
| cosec A
| cosecant of A
|
()
| parentheses
|
| |
[]
| brackets
|
| |
{}
| braces
|
| |
°
| degree
| 45 °C
| forty five degrees Centigrade
|