#include <stdio.h>
#include <conio.h>
#include <stdlib.h>
void hitungsuhu();
void hitungsuhureamur();
void hitungsuhufahrenheit();
void main()
{
  int pilih;

  menu :

  puts("/---------------------------------------------------------/");
  puts("/-            Temperature Program version 1              -/");
  puts("/-                 By : Eko Budianto                     -/");
  puts("/-              vintage_series@yahoo.com                 -/");
  puts("/-          Student of Informatic Engineering            -/");
  puts("/- Universitas Pembangunan Nasional 'Veteran' Yogyakarta -/");
  puts("/-                    Indonesia                          -/");
  puts("/---------------------------------------------------------/");
  pilihan :
  puts("\n\n/---------------------/");
  puts("/- Input :           -/");
  puts("/- 1. Celcius        -/");
  puts("/- 2. Reamur         -/");
  puts("/- 3. Fahrenheit     -/");
  puts("/- 4. About Me       -/");
  puts("/- 5. Exit           -/");
  puts("/---------------------/");
  printf("Option :");
  scanf("%d", &pilih);

  switch(pilih)
  {
  case 1 : {
				 hitungsuhu();
				 goto pilihan;
				 break;
			  }

  case 2 : {
				 hitungsuhureamur();
				 goto pilihan;
				 break;
			  }

  case 3 : {
				 hitungsuhufahrenheit();
				 goto pilihan;
				 break;
			  }

  case 4 : {
				 puts("\n/------------------------------/");
				 puts("/- This program was made by : -/");
				 puts("/-         Eko Budianto       -/");
				 puts("/-  vintage_series@yahoo.com  -/");
				 puts("/------------------------------/");
				 goto pilihan;
				 break;
			  }

  case 5 : {
				 exit(0);
				 break;
			  }
  }
  goto menu;
}

void hitungsuhu()
{
  float c;
  float r;
  float f;

  printf("\n\nPlease Input Temperature (Celcius) :");
  scanf("%f", &c);
  r=0.8*c;
  f=(1.8*c)+32;
  printf("\n%5.2f Celcius = %5.2f Reamur", c, r);
  printf("\n%5.2f Celcius = %5.2f Fahrenheit", c, f);
}

void hitungsuhureamur()
{
  float c;
  float r;
  float f;

  printf("\n\nPlease Input Temperature (Reamur) :");
  scanf("%f", &r);
  c=(5*r)/4;
  f=((9*r)/4)+32;
  printf("\n%5.2f Reamur = %5.2f Celcius", r, c);
  printf("\n%5.2f Reamur = %5.2f Fahrenheit", r, f);
}

void hitungsuhufahrenheit()
{
  float c;
  float r;
  float f;

  printf("\n\nPlease Input Temperature (fahrenheit) :");
  scanf("%f", &f);
  c=(5*(f-32))/9;
  r=4*(f-32)/9;
  printf("\n%5.2f Fahrenheit = %5.2f Celcius", f, c);
  printf("\n%5.2f Fahrenheit = %5.2f Reamur", f, r);
}