EQUATION QUADRATIQUE

#pragma argsused
#include<iostream.h>   
#include<conio.h>      
#include<math.h>       // header file pour utiliser sqrt (racine caree)
                       

int main ( void )
{
       float a,b,c,    //variables pour A,B et C
             min, max, //variables pour les zeros
             TPx,TPy;  //variables les points tournant

           

       cout<<"                ********** Coded by Benjamin Sayers **********\n\n";
       cout<<"               Bienvenue dans mon programme d'equation quadratique!\n\n";

   

       cout<<"\nEntrer vos valeurs (a.b et c) : \n\n";
       cout<<"\nA = "; cin>>a;  
       cout<<"\nB = "; cin>>b;  
       cout<<"\nC = "; cin>>c;  
       clrscr();

///////////////////////////////////////////////////////////////////////////////////

     

       cout<<"                ********** Coded by Benjamin.S **********\n\n";
       cout<<"\nA= "<<a<<"   B= "<<b<<"   C= "<<c<<"\n"; 

       if (a<0) 
       {
        cout<<"\n\nle point tournant est un maximum !\n";
       }
       else
       cout<<"\n\nThe point tournant est un minimum !\n";

       //point tournant (1eme point)
       TPx = -b / (2 * a);

       //point tournat (2eme point)
       TPy =( 4 * a * c - ( b * b ) ) / ( 4 * a );

       //verifie si zeros existent
       if( ( ( b * b )- 4 * a * c ) > 0 )
       {
         //calcule le zero (negative)
         min= ( -b - sqrt ( ( b * b )- 4 * a * c ) ) / ( 2 * a );

         //calcule le zero (addition)
         max= ( -b + sqrt ( ( b * b )- 4 * a * c ) ) / ( 2 * a );

         
         cout<<"\n\nLes zeros sont a ( "<<min<<" , "<<" 0 )"<<" and ( "<<max<<", 0 )";
       }
       else
       cout<<"\nIl n'y a pas de zeros!";

    
       cout<<"\n\nLe point tourant est a( "<<TPx<<" , "<<TPy<<" )\n";

       
       cout<<"\L'intersection est a ( 0, "<<c<<" )";


       cout<<"\n\n\nPress any key to exit...\n";

       getch();

       return 0;
       
}