mfultz
         January 20, 2014
         2420
         10:29
      
 
    
    
        Quadratics #2A
         mfultz
         2358
         16:59      
 
    
    
        Quadratics #2B
         mfultz
         3487
         17:13      
 
    
    
        Quadratics #3
         mfultz
         3212
         21:37      
 
    
    
        Solving Quadratics U...
         jbarnes
         2007
         14:10      
 
    
    
        Quadratics #2
         mfultz
         3587
         07:12