Online HelpPC 2.10      Quick Reference Utility     Copyright 1991 David Jurgens

 
                     double hypot( double x, double y )                     
                                                                                
        - prototype in math.h                                                   
                                                                                
        - returns z where z**2 = x**2 + y**2, or HUGE_VAL on error              
                                                                                
                                                                                
 

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