From: jacob@spamsink.net   
      
   Le 20/04/2014 02:29, w huang a écrit :   
   > How many symbolic calculator on smartphone ?   
   > Mma   
   > MathHandbook.com   
   >   
      
   do we need that?   
      
   do you solve equations when using the phone?   
      
   just read an article about Ramanujan's notebooks.   
   (scientific american may 2014 page 58).   
      
   Pencil, paper, and a wonder. Maths is just the mind.   
      
   How incredible was that guy.   
      
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