Jumat, 04 November 2011

Reading Some Basic Mathematical Symbols (Membaca Simbol Matematika Dasar)

Al Faqih Warsono

Reading Some Basic Mathematical Symbols
(Membaca Simbol Matematika Dasar)

Read as
equals, is equal to
(sama dengan)
2+2=4 [Two plus two equals four], [Two plus two is equal to four]
A=b  [a equals b], [a is equal to b]

 does not equal, is not equal to
(Tidak sama dengan)
1+1≠3 [One plus one is not equal to three], [One plus one does not equal three]
is less than
(lebih kecil dari)
4<5  [Four is less than five]
0 < x <1   [zero is less than x is less than 1]
is greater than
(lebih besar dari)
3>2  [Three is greater than two]
is less than or equal to
(lebih kecil atau sama dengan)
5≤6 and 5≤5  [Five is less than or equal to six, and five is less than or equal to five]
0 x 1  [zero is less than or equal to x is less than or equal to 1]
is greater than or equal to
(lebih besar atau sama dengan)
2≥1 and 2≥2 [Two is greater than or equal to one, and Two  is greater than or equal to two]
2+3=5  [Two plus three equals five]
 A+b   [a plus b]
x + 1  [x plus one]
5-3=2  [Five minus three equals two]
2 - 6 = -4 [Two minus six equals negative four]
4×5=20 [Four times five equals twenty]
A x b [a times b]
divided by
20÷4=5 and 20/4=5 [Twenty divided by four equals five]
Over; divided by
(per, dibagi)
a/b[a over b], [a divided by b]
1/2 [one half],  1/3 [one third],  1/4 [one fourth],
5/2 [five halves], 2/3 [two thirds], 7/10 [seven tenths]
[the quantity x squared plus three (pause) divided by x], [x squared plus three (pause) all over x]
square root
(akar kuadrat)

√4=2 or -2  [square root four is two]
x   [(square) root x ], [the square root of x]
[cube root (of) x]

  [fourth root (of) x]

[the eighth root of thirty-two]
5!=1×2×3×4×5=120 [factorial five is one times two times three times four times five equals one hundred and twenty]
absolute value of
(nilai absolute dari)
|5|=5 and |-5|=5 [absolute value of five is five, and absolute value of minus five is five]
is parallel to
(parallel dengan)
A||B [A is parallel to B]
Perpendicular to
(tegak lurus dengan)
A^B   [A is perpendicular to B]
is approximately equal to
(kira-kira sama dengan)
√2≈1.41    [square root  two is approximately equal to one point four one]
≈ 3.14159  [pi is approximately equal to three point one, four]

is defined as
(a+b)2≡a2+2ab+b2  [a plus b all squared is defined as a squared plus two ab plus b squared]
x squared
(x/y)2      [x over  y all squared]
(x + y)2    [x plus y all squared]
a2 + b2 = c2  [a squared plus b squared equals c square]
a to the b
75 [seven to the fifth power], [seven to the fifth]
23 [two cubed]
(x + y)n
The quantity
y = (x - 2)(x+1)  [y equals the quantity x minus two (pause) all raised to the quantity x plus one]
f(x) = (7 + y) ½    [ f of x equals the quantity seven plus y raised to the one over y power]
belongs to,
is an element (or a member) of
(elemen dari)
  [x belongs to A], [x is an element (or a member) of A]
does not belong to,
is not an element of
(bukan elemen dari)
  [x does not belong to A], [x is not an element of A]
is contained in,
is a subset of
(bagian dari)
[A is contained in B ], [A is a subset of B]
Cap, meet, intersection
  [A cap B], [A meet B], [A intersection B]
Cup, join,  union
[A cup B],  [A join B], [A union B]
P => q [p implies q], [if p, then q]
(ekwivalen dengan)
p <=> q [p if and only if q], [p is equivalent to q], [p and q are equivalent]
The summation of
[the sum from i equals one to n ai ], [the sum as i runs from 1 to n of the ai]

  [vector OA]

the length of the segment
(panjang segmen)
     [the length of the segment OA]
Inverse, the inverse of
A-1 [A inverse], [the inverse of A]
f —1 (x) [f inverse of x]
function .. of..
Fx, f of x,  the function f of x
L ABC = L DEF  [angle ABC equals angle DEF]
(integral [dari])
[integral from a to b (of) f(s) ds]
log(x) [logarithm of x], loga x [logarithm in base a of x]
log2 9 [log base two of nine], [logarithm base two of nine], [log nine base two]
[five choose two]


[a,b]  [the closed interval from a to b]
(sin x)2 [sine of x (pause) quantity squared], [sine of x all squared]
sin(x2) sine of x squared
sin2 x sine squared of x

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