( )  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 
a_{2}
> 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

thirtytwo plus eight is (are)
forty; or, thirtytwo plus eight equals forty; or, thirtytwo plus eight is equal to forty; or, eight added to thirtytwo 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  
twothirds  

fiveninths 
4½

four and a half 
eight and threequarters  
0.6 or .6

point six 
5.34

five point thirtyfour; 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 f eet 
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 
9^{2}

nine square, or, the square of nine or, nine to the second power 
6^{3}

six cubed; or, six to the third (power) 
c^{18}

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 all 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 a^{2} minus x^{2}  
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 thirtythree and onethird  
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 
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