/*
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */

#include <stdio.h>
	
int main()
	{
	float t;
	float g;
	float vi;
    float vf;
	float p;
	float d;
	float s;
	printf (" *****************************************************\n");	
    printf (" :: Programa que calcula lo que EdR no sabe hacer ::\n ");
	printf ("*****************************************************\n");
    principio:		
    printf ("\nSelecciona lo que deseas calcular:\n [1] Velocidad Final\n [2] Velocidad Inicial\n [3] Tiempo\n [4] Gravedad\n [5] Distancia\n [6] Salir \n");
    fflush( stdout );
	scanf( "%f", &s );
    if ( s==1 )
    {		
	printf( "Introduce tiempo: " );
	scanf( "%f", &t );
	printf( "Introduce gravedad: " );
	scanf( "%f", &g );
	printf( "Introduce velocidad inicial: " );
    scanf( "%f", &vi );
    vf = vi + (g * t);
    printf( "Velocidad final = %f ", vf );
    printf( "\n" );
    printf( "\n Deseas:\n [1] Calcular Otro\n [2] Salir\n" );
    fflush( stdout );
	scanf( "%f", &p );
	if ( p==1 )
    
    {
	printf ("_____________________________________________________");	
	printf (" \n");	
	goto principio;
			}		
    else
    {
			return 0;
			}
		}
	else if ( s==2 )
    {		
	printf( "Introduce tiempo: " );
	scanf( "%f", &t );
	printf( "Introduce gravedad: " );
	scanf( "%f", &g );
	printf( "Introduce velocidad final: " );
    scanf( "%f", &vf );
    vi = (g * t) - vf;
    printf( "Velocidad inicial = %f ", vi );
    printf( "\n" );
    printf( "\n Deseas:\n [1] Calcular Otro\n [2] Salir\n" );
    fflush( stdout );
	scanf( "%f", &p );
	if ( p==1 )
    
    {
	printf ("_____________________________________________________");	
	printf (" \n");	
	goto principio;
			}		
    else
    {
			return 0;
			}
		}			
	else if ( s==3 )
    {		
	printf( "Introduce velocidad final: " );
	scanf( "%f", &vf );
	printf( "Introduce velocidad inicial: " );
	scanf( "%f", &vi );
	printf( "Introduce gravedad: " );
    scanf( "%f", &g );
    t = (vf-vi) / g;
    printf( "Tiempo = %f ", t );
    printf( "\n" );
    printf( "\n Deseas:\n [1] Calcular Otro\n [2] Salir\n" );
    fflush( stdout );
	scanf( "%f", &p );
	if ( p==1 )
    
    {
	printf ("\n_____________________________________________________");	
	printf (" \n");	
	goto principio;
			}		
    else
    {
			return 0;
			}			
		}
		else if ( s==4 )
    {		
	printf( "Introduce velocidad final: " );
	scanf( "%f", &vf );
	printf( "Introduce velocidad inicial: " );
	scanf( "%f", &vi );
	printf( "Introduce tiempo: " );
    scanf( "%f", &t );
    g = (vf-vi) / t;
    printf( "Gravedad = %f ", g );
    printf( "\n" );
    printf( "\n Deseas:\n [1] Calcular Otro\n [2] Salir\n" );
    fflush( stdout );
	scanf( "%f", &p );
	if ( p==1 )
    
    {
	printf ("\n_____________________________________________________");	
	printf (" \n");	
	goto principio;
			}		
    else
    {
			return 0;
			}			
		}
		else if ( s==5 )
    {		
	printf( "Introduce velocidad inicial: " );
	scanf( "%f", &vi );
	printf( "Introduce tiempo: " );
	scanf( "%f", &t );
	printf( "Introduce gravedad: " );
    scanf( "%f", &g );
    d = (vi*t) + (0.5 * g * t * t);
    printf( "Distancia = %f ", d );
    printf( "\n" );
    printf( "\n Deseas:\n [1] Calcular Otro\n [2] Salir\n" );
    fflush( stdout );
	scanf( "%f", &p );
	if ( p==1 )
    
    {
	printf ("\n_____________________________________________________");	
	printf (" \n");	
	goto principio;
			}		
    else
    {
			return 0;
			}			
		}
	else if ( s==6 )
    {		
	return 0;
			}			
		}