en.wikipedia.org/wiki/Extended_real_number_line

In mathematics, the affinely extended real number system is obtained from the
real number ... we allow a formulation of a "limit at infinity" with topological
properties similar to those f...

math.stackexchange.com/questions/750777/is-infinity-a-real-number

Apr 12, 2014 ... Infinity isn't a real number by definition. This definition is sensible because
adding ∞ to R would break its field structure, and the fact that R is a ...

www.quora.com/Is-infinity-a-real-number

The term 'Real number' has a technical meaning in mathematics. Intuitively, the
set of real numbers corresponds to the set of points on the number line. Although
...

www.mathsisfun.com/numbers/infinity.html

galaxies. Infinity is not a real number, it is an idea. An idea of something without
an end. Infinity cannot be measured. Even these faraway galaxies can't compete
...

www.mathsisfun.com/numbers/real-numbers.html

In fact: Nearly any number you can think of is a Real Number ... Real Numbers
can also be positive, negative or zero. ... not, Infinity is not a Real Number ...

www.rapidtables.com/math/symbols/infinity_symbol/is-infinity-number.htm

Is infinity a real number. Is infinity (∞) in math a real number. Infinity is not a
number. It does not represent a specific number, but an infinitely large quantity.

scienceblogs.com/goodmath/2008/10/13/infinity-is-not-a-number/

Oct 13, 2008 ... First off, 1/0 is infinity because if you were to divide 1 into zero ... rational numbers
, real numbers, complex numbers, or whatever, they form

www.ask.com/youtube?q=Is Infinity a Real Number?&v=P4uPiXBP_rc

May 3, 2013 ... What is the Largest Number? ... Infinity: does it exist?? A debate ... Mathematics
and Infinity - Dr. Tony Weathers - May 3, 2012 - Duration: 48:00.

nrich.maths.org/2756

Infinity is not a number, and trying to treat it as one tends to be a pretty bad idea.
... (The real numbers are all the irrationals - those numbers that cannot be ...

plus.maths.org/content/does-infinity-exist

Jul 2, 2012 ... One such infinity is characterised by the list of all real numbers. These cannot be
counted; there is no recipe for listing them systematically.