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Краткий словарик математических терминов
Символ | Английский вариант |
+ | plus |
– | minus |
± | plus or minus |
x | multiplication sign |
. | point |
… | and so on |
/ | division sign |
: | ratio sign it to |
: : | sign of proportion; equals, as |
therefore | |
  | since; because |
= | sign of equality; equals, (is) equal to |
¹ | (is) not equal to |
~ | difference |
» | approximately |
> | greater than |
< | less than |
³ | equal or greater than |
£ | equal or less than |
¥ | infinity; infinite |
square root (out) of | |
cube root (out) of | |
n-th root (out) of | |
[ ] | brackets, square brackets |
( ) | parentheses, round brackets |
{ } | braces |
|| | parallel to |
length of line from A to B | |
° | degree |
' | minute |
' | foot, feet |
'' | second; inch |
Ð | angle |
^ | |
^ | perpendicular |
Ë | center line |
ā | a barred |
ã | a tilded |
a* | a star |
a' | a prime |
a'' | a second prime; a double prime |
a''' | a third prime; a triple prime |
b1 | b sub one; b first |
b2 | b sub two; b second |
cm | c sub m; c, m-th |
a first prime | |
a second; second prime | |
am | a sub m; a, m-th |
first derivation of y | |
second derivation of y | |
lim | limit |
log | logarithm |
log10 | common logarithm |
ln | logarithm natural |
sin | sine |
cos | cosine |
tan, tg | tangent |
ctn, cot | cotangent |
sec | secant |
csc | cosecant |
vers, versine | versed sine |
covers, coversine | coversed sine |
sin-1 | antisine |
cos-1 | anticosine |
sinh | hyperbolic sine |
cosh | hyperbolic cosine |
tanh | hyperbolic tangent |
¦(x); j(x) | function of x |
Dx | increment of x |
S | summation |
dx | differential of x |
dy/dx | derivative of y with respect to x |
d2y/dx2 | second derivative of y with respect to x |
dny/dxn | n-th derivative of y with respect to x |
y/x | derivative of y with respect to x |
ò | integral of |
òf(x)dx | integral of a function of x over dx |
integral between limits n and m | |
|x| | absolute value of x |
& | and |
&C | et cetera |
N | number |
N(s) | number(s) |
# | No, number; pound |
! | factorial |
% | per cent |
' | apostrophe |
, | comma |
. | full stop |
– | dash |
§ | section mark |
* | asterisk |
a+b=c | a plus b equals c a and b are c |
a-b=c | a minus b is equal to c |
1x1=1 | Once1 one is one. |
2x2=4 | Twice two is four. |
3x3=9 | Three times three is nine. |
4x4=16 | Four times four is sixteen. |
axb=c | a multiplied by b equals c. |
a:b=c | a divided by b is equal c. |
a plus b over a minus b is equal to c plus d over c minus d | |
½ | one half; a half |
1/3 | one third; a third |
2/7 | two sevenths |
3½ | three and a half |
four and a seventh | |
four and five eighths | |
32 | three squared; three square |
52 | the second power of five |
23 | the third power of two |
107 | ten to the seventh power |
10-7 | ten to the minus seventh power |
Z-10 | Z to the minus tenth power; Z to the minus tenth |
the square root of four | |
the cube root of twenty seven | |
the cube root of a | |
the fifth root out of a to the power seven | |
1 : 2 | the ratio of one to two |
4 : 2 | the ratio of four to two |
a : b = c | The ratio of a to b is c. |
a:b = c:d | a is to b as c to d |
(a+b)(a-b)=a2-b2 | The product of the sum and difference of two quantities is equal to the difference of their squares. |
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