( ) round brackets; parentheses

() round brackets; parentheses

{ } curly brackets; braces

[ ] square brackets; brackets

a = b a equals b; or a is equal to b

a ≠ b a is not equal to b

a > b a is greater than b

a₂ > a_d a second is greater than a dth

b < a b is less than a

a >> b a is substantially greater than b

a ≥ b a is greater than or equal to b

x trends to infinity

a vector; the mean volume of a

the first derivative

the second derivative

9.510 nine thousand five hundred and ten

32 + 8 = 40 thirty-two plus eight is (are) forty;
or, thirty-two plus eight equals forty;
or, thirty-two plus eight is equal to forty;
or, eight added to thirty-two makes forty

20 - 5 = 15 twenty minus five is fifteen;
or, twenty minus five is equal to (equals) fifteen;
or, twenty minus five leaves fifteen;
or, five from twenty is (leaves) fifteen

a plus or minus b

1 × 1 = 1 once one is one

2 × 2 = 4 twice two is (equals) four; or, twice two makes four

6 × 10 = 60 six multiplied by ten equals sixty; or, six multiplied by ten is (equal to) sixty; or, six times ten is sixty

work = force × distance work is (equal' to) the product of the force multiplied by the distance;
or, work is (equal to) the product of force times the distance

12: 3 = 4 twelve divided by three equals (is) four

a (one) half

a (one) third

two-thirds

five-ninths

4½ four and a half

eight and three-quarters

0.6 or.6 point six

5.34 five point thirty-four; or, five point three four

2.01 two point nought one; or two point o [ou] one

0.007 point nought nought seven; or, point two oes [ouz] seven

240 kilometers pro 4 hours

8: 4 = 2 the ratio of eight to four is two.

20: 5 = 16: 4 or the ratio of twenty to five equals (is equal to) the ratio of sixteen to four; or, twenty is to five as sixteen is to four

20° twenty degrees

6´ six minutes; also, six feet

10´´ ten seconds; also, ten inches

a´ a prime

a´´ a second prime; or a double prime; or a twice dashed

a´´´ a triple prime

9² nine square, or, the square of nine or, nine to the second power

6³ six cubed; or, six to the third (power)

c¹⁸ c [si:] to the eighteenth (power)

a^{-10 a} [ei] to the minus tenth (power)

the square root (out) of four is (equals) two

the square root of a

the cube root of a

the fifth root of a square

a plus b all squared

L equals the square root (out) of R square plus x square

x plus square root of x square minus y square al over y

the tenth root (out) of a square plus b square

square root out of F first plus A divided by two xd th twice dashed (or double prime)

a to the m/n th power equals the n^th root out of a to the m^th (power)

dz over dx

y is a function of x

partial d two z over partial dx plus partial d two z over partial dy equals zero

indefinite integral of dx (divided) by the square root out of a² minus x²

integral from zero to µ (mu)

d (divided) by dx (or d over dx) of the integral from x nought to x of X large dx

4c plus W second plus 2 m first a prime plus R a^th equals thirty-three and one-third

V equals u square root of sine square i minus cosine square i equals u

tangent r equals tangent i divided by l

the logarithm of two equals zero point three o[ou] one

a is equal to the logarithm of d to the base c u is equal to the integral of f sub one of x multiplied by dx plus the integral of f sub two of y multiplied by dy

K is equal to the maximum over j of the sum from i equals one to i equals n of the modulus of a_ij of t, where t lies in the closed interval ab and where j runs from one to n

A _vmax is equal to one half mu by r pth omega L second omega L first (divided) by square root out of R second round brackets opened R first plus omega square L first square by r pth round brackets closed

Av is equal to mu omega m omega square L square (divided) by r pth square brackets opened omega square m square plus R second round brackets opened R first plus omega square L square (divided) by r pth round and square brackets closed

Дата добавления: 2015-11-04