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Program 243: Currency Length Speed Conversions

Program 243:
 
#include<stdio.h>
main()
{
 char choice;
 printf("Enter\na)Currency Conversion\nb)Length Conversion\nc)Speed Conversion\n");
 scanf("%c",&choice);
 switch(choice)
 {
  case 'a':
  {
   int currencyChoice;
   printf("Enter\n1)Rupee to Dollar\n2)Dollar to Rupee\n3)Rupee to Euro\n4)Euro to Rupee\n");
   scanf("%d",&currencyChoice);
   switch(currencyChoice)
   {
    case 1:
    {
     float rupee,dollar;
     printf("Enter Amount in rupees\n");
     scanf("%f",&rupee);
     dollar=(rupee*0.0149);
     printf("%.2f INR=%f $\n",rupee,dollar);
     break;
    }
    case 2:
    {
     float rupee,dollar;
     printf("Enter Amount in Dollars\n");
     scanf("%f",&dollar);
     rupee=(dollar*67.06);
     printf("%.2f $=%f INR\n",dollar,rupee);
     break;
    }
    case 3:
    {
     float rupee,euro;
     printf("Enter Amount in rupees\n");
     scanf("%f",&rupee);
     euro=(float)(rupee*0.0141);
     printf("%.2f INR=%f EUR\n",rupee,euro);
     break;
    }
    case 4:
    {
     float rupee,euro;
     printf("Enter Amount in Euro\n");
     scanf("%f",&euro);
     rupee=(float)(euro*71.1574);
     printf("%.2f EUR=%f INR\n",euro,rupee);
     break;
    }
    default:{
     printf("Enter Valid Currency Choice\n");
    }
   }
   break;
  }
  case 'b':
  {
   int lengthConversion;
   printf("Enter\n1)m to cm\n2)cm to m\n3)km to m\n4)m to km\n");
   scanf("%d",&lengthConversion);
   switch(lengthConversion)
   {
    case 1:
    {
     float m;
     printf("Enter meters\n");
     scanf("%f",&m);
     printf("%.3f m=%.2f cm\n",m,(m*100));
     break;
    }
    case 2:
    {
     float cm;
     printf("Enter Centi meters\n");
     scanf("%f",&cm);
     printf("%.3f cm=%.2f m\n",cm,(cm*0.01));
     break;
    }
    case 3:
    {
     float km;
     printf("Enter Kilo meters\n");
     scanf("%f",&km);
     printf("%.3f km=%.2f m\n",km,(km*1000));
     break;
    }
    case 4:
    {
     float m;
     printf("Enter meters\n");
     scanf("%f",&m);
     printf("%.3f m=%.2f km\n",m,(m*0.001));
     break;
    }
    default:
    {
     printf("Enter Valid Meter Conversion Choice\n");
    }
   }
   break;
  }
  case 'c':
  {
   int speedChoice;
   printf("Enter\n1)m/s to km/s\n2)km/s to m/s\n3)km/h to m/s\n4)m/s to km/h");
   scanf("%d",&speedChoice);
   switch(speedChoice)
   {
    case 1:
    {
     float ms;
     printf("Enter m/s\n");
     scanf("%f",&ms);
     printf("%f m/s = %f km/s\n",ms,(ms*0.001));
     break;
    }
    case 2:
    {
     float kms;
     printf("Enter km/s\n");
     scanf("%f",&kms);
     printf("%f km/s = %f m/s\n",kms,(kms*1000));
     break;
    }
    case 3:
    {
     float kmh;
     printf("Enter km/h\n");
     scanf("%f",&kmh);
     printf("%f km/h = %f m/s\n",kmh,(kmh*0.277777778));
     break;
    }
    case 4:
    {
     float ms;
     printf("Enter m/s\n");
     scanf("%f",&ms);
     printf("%f m/s = %f km/h\n",ms,(ms*3.6));
     break;
    }
    default:
    {
     printf("Enter Valid Speed Conversion Choice\n");
     break;
    }
   }
   break;
  }
  default:
  {
   printf("Enter valid Choice\n");
   break;
  }
 }
}
Explanation:

//Coming Soon

Output:

Currency Length Speed Conversions





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