English for Masters. Маркушевская Л.П - 199 стр.

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Университет ИТМО | Санкт-Петербург

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199
<
less than
A"
A second
≥
equal to or greater than
A tilded
∞
infinity
A*
A star
_
√ a
the square root of a
B
1
В sub one
_
3
√ a
the cube root of a
В
2
В sub two
_
n
√ a
the nih root of a
С
b
С sub b
| |
parallel to
С
b
С sub b prime
⊥
perpendicular to, a perpendicular
mark
N,No
number
A
B
length of line from A to В
T
Т barred
∠
angle
a
a vector, the mean value of a
|__
right angle
dX
differential of X
square
dY/dX
the first derivative of у with respect
to x
round, circle
∫
integral of
( )
round brackets, parentheses
∫
b
a
integral between the limit a and b
[ ]
square brackets, brackets
∫
i
K
integral from К to i
{ }
braces
f (x)
function of x
∅
empty set
R (x)
R of x
ν!
factorial; n= 1.2.3. ... n
64
six to the fourth power
i=0,1 …… , n (where) i runs from
zero to n
a
b
a to the power b
[X] absolute value of x, magnitude of
real number X, modulus of
X ([X] =X; X≥0,
[X] = −X; X<0)
24 =
the square root of four is two
C=1, 2, ... (where) С is equal to 1, 2
and so on
464
3
=
the cube root of sixty-four is four
A

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