Gentlemen, it is solved.


# lua
Lua 5.1.2  Copyright (C) 1994-2007 Lua.org, PUC-Rio
= 2+2
4
= 1/0
1.#INF
^Z

#

>>2
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  / _ \ /\  /\/ __(_)
 / /_\// /_/ / /  | |      GHC Interactive, version 6.6.1, for Haskell 98.
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Loading package base ... linking ... done.
Prelude> 1/0
Infinity
Prelude> -1/0
-Infinity
Prelude> 0/0
NaN
Prelude> Leaving GHCi.