Reading Some Basic Mathematical Symbols (Membaca Simbol Matematika Dasar)

Al Faqih Warsono

Reading Some Basic Mathematical Symbols

(Membaca Simbol Matematika Dasar)

Symbol	Read as (Dibaca)	Example (Contoh)
=	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]
+	Plus (tambah)	2+3=5  [Two plus three equals five]  A+b   [a plus b] x + 1  [x plus one]
-	Minus (kurang)	5-3=2  [Five minus three equals two] 2 - 6 = -4 [Two minus six equals negative four]
×	Times (kali)	4×5=20 [Four times five equals twenty] A x b [a times b]
÷	divided by (dibagi)	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]
!	factorial (faktorial)	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]
	pi	≈ 3.14159  [pi is approximately equal to three point one, four]
≡	is defined as (didefinisikan)	(a+b)2≡a2+2ab+b2  [a plus b all squared is defined as a squared plus two ab plus b squared]
X2	x squared (kuadrat)	(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]
Ab	a to the b (pangkat)	75 [seven to the fifth power], [seven to the fifth] 23 [two cubed]
(x + y)n	The quantity (jumlah)	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 (potongan)	[A cap B], [A meet B], [A intersection B]
	Cup, join,  union (gabungan)	[A cup B],  [A join B], [A union B]
	Implies (menunjukkan)	P => q [p implies q], [if p, then q]
	Equivalent (ekwivalen dengan)	p <=> q [p if and only if q], [p is equivalent to q], [p and q are equivalent]
	The summation of (jumah)	[the sum from i equals one to n ai ], [the sum as i runs from 1 to n of the ai]
	vector	[vector OA]
	the length of the segment (panjang segmen)	[the length of the segment OA]
A-1	Inverse, the inverse of (invesi)	A-1 [A inverse], [the inverse of A] f —1 (x) [f inverse of x]
f(x)	function .. of.. (fungsi)	Fx, f of x,  the function f of x
	Angle (sudut)	L ABC = L DEF  [angle ABC equals angle DEF]
	integral (integral [dari])	[integral from a to b (of) f(s) ds]
log	Logarithm (logaritma)	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]
	Choose (pilih)	[five choose two]
[a,b]		[a,b]  [the closed interval from a to b]
Sin	Sine (sinus)	(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