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-1.1 - 0.1 + 1.2 is NOT null! Why?

Rolf Turner 
In addition to taking cognisance of Richard Heiberger's reply you
should also learn to distinguish between the concept of "null" and
"zero".  They are not at all the same thing.

     cheers,

         Rolf Turner
On 11/07/12 08:17, ollestrat wrote:

Thread (13 messages)

ollestrat -1.1 - 0.1 + 1.2 is NOT null! Why? Jul 10 Richard M. Heiberger -1.1 - 0.1 + 1.2 is NOT null! Why? Jul 10 William Dunlap -1.1 - 0.1 + 1.2 is NOT null! Why? Jul 10 Rolf Turner -1.1 - 0.1 + 1.2 is NOT null! Why? Jul 10 Erdal Karaca -1.1 - 0.1 + 1.2 is NOT null! Why? Jul 10 Rolf Turner -1.1 - 0.1 + 1.2 is NOT null! Why? Jul 10 Massimo Di Stefano -1.1 - 0.1 + 1.2 is NOT null! Why? Jul 10 arun -1.1 - 0.1 + 1.2 is NOT null! Why? Jul 10 Richard M. Heiberger -1.1 - 0.1 + 1.2 is NOT null! Why? Jul 10 Patrick Connolly -1.1 - 0.1 + 1.2 is NOT null! Why? Jul 12 Erdal Karaca -1.1 - 0.1 + 1.2 is NOT null! Why? Jul 12 ollestrat -1.1 - 0.1 + 1.2 is NOT null! Why? Jul 13 ollestrat -1.1 - 0.1 + 1.2 is NOT null! Why? Jul 13