C Program To convert the temperature between Celcius and Fahrenheit

//To convert the temperature between Celcius and Fahrenheit
#include<stdio.h>
#include<conio.h>
int main()
{
 float c,f;
 int m;
 clrscr();
 printf("Enter your choice"
           "\nPress 1 to convert Temperature from Celcius to Fahrenheit"
           "\nPress 2 to convert Temperature from Fahrenheit to Celcius\n");
 scanf("%d",&m);
 switch(m)
 {
  case 1:
  printf("\nEnter the Temperature in Celcius\n");
  scanf("%f",&c);
  f=9*c/(5)+32;
  printf("\nTemperature in Fahrenheit is = %f",f);
  break;

  case 2:
  printf("\nEnter the Temperature in Fahrenheit\n");
  scanf("%f",&f);
  c=(f-32)*5/9;
  printf("\nTemperature in Celcius is = %f",c);
  break;

  default:
  printf("\nEnter valid Choice");
 }
  getch();
  return 0;
}