A directed infinity in direction 
is an infinite numerical quantity that is a positive real
multiple of the complex number 
. Directed infinity may be returned in the Wolfram
Language, where it is represented symbolically by DirectedInfinity[z].
A directed infinity with unknown direction is known as complex
infinity.
Directed Infinity
See also
Complex Infinity, Indeterminate, Infinity, Point at Infinity, Riemann SphereRelated Wolfram sites
http://functions.wolfram.com/Constants/DirectedInfinity/Explore with Wolfram|Alpha
Cite this as:
Weisstein, Eric W. "Directed Infinity." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/DirectedInfinity.html