Learning number systems

1. 

   Ward

   July 27, 2010 at 3:35 pm

   No Complex numbers in High School? oO
2. 

   ropata

   July 28, 2010 at 2:32 am

   Where does Aleph Null fit in to the !!???!?!?!?!?!@#$=(@#$ scheme ?
3. 

   Karanime

   October 1, 2010 at 1:37 am

   -points-
   Zero is not a natural number.

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