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  • In mathematics, a [[complex number]] whose square is a negative real number, or (sometimes) more generally a non-real complex number.
    170 bytes (23 words) - 09:38, 1 January 2010
  • Suppose ''x''<sub>1</sub>, ''x''<sub>2</sub>, ... is a [[sequence]] of [[Real number|real numbers]]. We say that the real number ''L'' is the ''limit'' of this sequence and we write
    771 bytes (122 words) - 09:45, 28 November 2007
  • ...e difference of any two members of the set is an irrational number and any real number is the sum of a rational number and a member of the set.
    212 bytes (39 words) - 20:45, 4 September 2009
  • The positive real number that, when multiplied by itself, gives the number 2.
    114 bytes (15 words) - 19:41, 4 September 2009
  • {{r|Real number}}
    258 bytes (33 words) - 02:29, 8 February 2009
  • the sum ''a''+''b''i of a real number ''a'' and an imaginary number ''b''i ...up>2</sup> = &minus;''b''<sup>2</sup> of an imaginary number is a negative real number,
    3 KB (468 words) - 17:28, 1 January 2010
  • #REDIRECT[[real number]]
    24 bytes (3 words) - 15:26, 3 February 2007
  • #REDIRECT[[real number]]
    24 bytes (3 words) - 16:42, 10 July 2007
  • {{r|Real number}}
    276 bytes (34 words) - 10:41, 21 April 2010
  • Numbers of form a + bi + cj + dk, where a, b, c and d are [[real number|real]], and i<sup>2</sup> = −1, j<sup>2</sup> = −1 and k<sup>2</sup> =
    188 bytes (31 words) - 14:23, 8 March 2009
  • In [[mathematics]], a '''normal number''' is a [[real number]] whose [[decimal expansion]] shows an equal proportion of each of the poss
    210 bytes (29 words) - 17:24, 7 February 2009
  • An algebraic structure with operations generalising the familiar concepts of real number arithmetic.
    136 bytes (16 words) - 06:30, 1 January 2009
  • **In [[mathematical analysis]], a domain is an [[open set]], usually in the [[real number|real]] or [[complex number]]s
    486 bytes (71 words) - 12:37, 31 May 2009
  • A real number whose digits in some particular base occur equally often in the long run.
    123 bytes (19 words) - 13:17, 5 December 2008
  • ...that for every real number <math>\epsilon>0</math> there exists a positive real number <math>T(\epsilon)</math> (note the dependence of ''T'' on <math>\epsilon</m ...nuity|continuous]] at ''t=0'' and with ''g(0)=0'', denotes that for every real number <math>\epsilon>0</math> there exists a [[topological space#Some topological
    2 KB (354 words) - 20:39, 20 February 2010
  • ...addition]] and [[multiplication]] of [[integer]]s, [[rational number]]s, [[real number|real]] and [[complex number]]s. In this context commutativity is often ref
    695 bytes (102 words) - 19:40, 31 January 2009
  • Constant real number equal to 2.71828 18284 59045 23536... that is the base of the natural logar
    138 bytes (16 words) - 15:13, 3 July 2008
  • ...ch are mathematical constructs that generalize on the familiar concepts of real number arithmetic.
    194 bytes (25 words) - 13:32, 7 December 2008
  • A [[differentiable function]] on the [[real number]]s is monotonic when its [[derivative]] is non-zero: this is a consequence In the case of [[real number|real]] sequences, a monotonic sequence converges if it is [[bounded set|bou
    1 KB (211 words) - 17:02, 7 February 2009
  • ...]] ''f'' : ''A'' <math>\to</math> '''R''' from some [[set]] ''A'' to the [[Real number|real numbers]]
    680 bytes (101 words) - 21:28, 10 March 2008
  • ...x-axis. The complex numbers left fixed by conjugation are precisely the [[real number]]s.
    906 bytes (139 words) - 13:16, 20 November 2008
  • {{r|Real number}}
    1 KB (169 words) - 19:54, 11 January 2010
  • A real number that cannot be expressed as a fraction, m / n, in which m and n are integer
    127 bytes (22 words) - 11:47, 29 November 2008
  • ...> then the notation <math>f(t)=O(g(t))</math> indicates that there exist a real number ''T'' and a constant ''C'' such that <math>|f(t)|\leq C |g(t)|</math> for a ...solute value of another function, in that neigbourhood. For example, for a real number <math>t_0</math> the notation <math>f(t)=O(g(t-t_0))</math>, where ''g''('
    2 KB (283 words) - 06:18, 15 July 2008
  • A real number and is the integer between 1 and -1, which signifies a value of nothing.
    122 bytes (19 words) - 02:51, 3 June 2008
  • ...-ary operator, indicating the number of arguments it takes. In the case of real number addition, the operator is [[binary operation|binary]] because it takes two
    617 bytes (102 words) - 13:04, 12 December 2008
  • {{r|Real number}}
    183 bytes (22 words) - 17:31, 1 January 2010
  • {{r|Real number}}
    203 bytes (25 words) - 18:31, 26 October 2008
  • Every cubic equation with [[real number]] [[coefficient]]s has at most three real roots, as dictated by the [[funda ...f a [[complex number]]. This is more difficult than finding the root of a real number, which is all that the quadratic formula requires. It is precisely this di
    3 KB (483 words) - 23:24, 17 December 2008
  • {{r|Real number}}
    307 bytes (44 words) - 16:27, 26 July 2008
  • ...|</math>. Then a set <math>A \subset X</math> is bounded if there exists a real number ''M'' > 0 such that <math>\|x\|\leq M</math> for all <math>x \in A</math>. Every bounded set of [[real number]]s has a [[supremum]] and an [[infimum]]. It follows that a [[monotonic seq
    1 KB (188 words) - 05:37, 29 December 2008
  • {{r|Real number}}
    1 KB (146 words) - 16:32, 11 January 2010
  • ...n defined on the set of [[positive integer]]s, usually with [[integer]], [[real number|real]] or [[complex number|complex]] values.
    1 KB (159 words) - 06:03, 15 June 2009
  • 1 KB (191 words) - 17:30, 15 July 2009
  • Suppose ''f''(''x'') is a [[real-valued function]] and ''a'' is a [[real number]]. The expression ...nterval]] containing ''a'' (except possibly at ''a'') and let ''L'' be a [[real number]].
    2 KB (285 words) - 05:41, 2 October 2010
  • ...] is itself invertible: over a [[field (mathematics)|field]] such as the [[real number|real]] or [[complex number]]s, this is equivalent to specifying that the de
    1 KB (158 words) - 00:36, 18 April 2009
  • {{r|real number}}
    224 bytes (27 words) - 11:52, 29 November 2008
  • a real number (with the decimal expansion 0.000...), and a complex number (0+0i).
    2 KB (326 words) - 18:28, 17 July 2009
  • {{r|Real number}}
    493 bytes (64 words) - 16:43, 11 January 2010
  • {{r|Real number}}
    2 KB (247 words) - 17:28, 11 January 2010
  • ...'d''=''b/a'' every rational or real number divides every other rational or real number.)
    3 KB (515 words) - 21:49, 22 July 2009
  • ...n-commutative]] and [[Associative law|non-associative]] extension of the [[Real number|real numbers]]. They were were first discovered by John Graves, a friend of
    947 bytes (123 words) - 06:31, 14 September 2013
  • {{r|Real number}}
    969 bytes (124 words) - 18:42, 11 January 2010
  • {{r|Real number}}
    545 bytes (70 words) - 16:41, 16 July 2011
  • '''0''' ('''zero''') is a [[real number]] and is the [[integer]] between [[1 (number)|1]] and [[-1 (number)|-1]], w
    1 KB (232 words) - 03:30, 6 November 2009
  • {{r|Real number}}
    2 KB (206 words) - 19:38, 11 January 2010
  • ...criptstyle \mathbb{Q}</math>. Then it can be shown that for an arbitrary [[real number]] ''a'' and desired accuracy <math>\scriptstyle \epsilon>0</math>, one can
    1 KB (232 words) - 15:27, 6 January 2009
  • ...solve [[cubic equation|cubic equations]]. Even for equations with three [[real number|real]] solutions, the method they used sometimes required calculations wit
    4 KB (685 words) - 00:41, 6 May 2008
  • '''Arithmetic''' is an elementary branch of [[mathematics]] in which [[real number]]s and relations among real numbers are studied and used to solve quantitat
    4 KB (562 words) - 18:28, 5 January 2010
  • ...lds'' are algebraic structures that generalize on the familiar concepts of real number arithmetic. The set of rational numbers, the set of real numbers and the se
    3 KB (496 words) - 22:16, 7 February 2010
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