C program to Create Simple Calculator Using Switch case ?

Q:- Write a C program to Create Simple Calculator Using Switch case ?

      Input

        #include<stdio.h>

        #include<conio.h>

        main()

   {

int a,b,c=0,d=0;

clrscr();

printf(“Enter Two Number =”);

scanf(“%d%d”,&a,&b);

printf(“\n Operation Choices\n”);
printf(“\n Press 1 for Sum”);

printf(“\n Press 2 for Subtraction”);

printf(“\n Press 3 for Multiplication”);

printf(“\n Press 4 for Exit”);

scanf(“%d”,&c);

switch(c)

{

case 1: d=a+b;

break;

case 2: d=a-b;

break;

case 3: d=a*b;

break;

case 4: exit();

break;

default : printf(“Invalid Input!!!!!!!!”);

}

printf(“\n\n Result = %d”,d);

getch();

    }

Output

Enter Two Numbers = 10

20

Operation Choices 1

Result = 30

C Program to Check Whether a Number is Positive, Negative or Zero Using Switch Case ?

Q:- Write a C Program to Check Whether a Number is Positive, Negative or Zero

       Using Switch Case ?

       Input

         #include<stdio.h>

         #include<conio.h>

         main()

    {

int num;

clrscr();

printf(“Enter a Number =”);

scanf(“%d”,&num);

switch( num > 0 )

{

case 1: printf(“%d is Positive.”,num);

break;

case 0:

switch ( num < 0 )

{

case 1: printf(“%d is Negative.”,num);

break;

case 1: printf(“%d is Zero.”,num);

break;

default : printf(“Invalid Input!!!!!!!!”);

}

getch()

     }

Output

Enter a Number = -34

-34 is Negative.

C Program to Check Whether a Number is Even or Odd Using Switch Case ?

Q:- Write a C Program to Check Whether a Number is Even or Odd Using Switch Case ?

      Input

        #include<stdio.h>

        #include<conio.h>

         main()

   {

int num;

clrscr();

printf(“Enter a Number =”);

scanf(“%d”,&num);

switch(num%2)

{

case 0: printf(“%d is Even.”,num);

break;

case 1: printf(“%d is Odd.”);

break;

default : printf(“Invalid Input!!!!!!!!!!!!!!”);

}
getch();

     }

Output

Enter a Number = 2

2 is Even.

C program to Find Maximum b/w Two Numbers Using Switch Case ?

Q:- Write a C program to Find Maximum b/w Two Numbers Using Switch Case ?

      Input

         #include<stdio.h>

         #include<conio.h>

         main()

    {

int num1,num2;

clrscr();

printf(“Enter Two Numbers =”);

scanf(“%d%d”,&num1,&num2);

switch(num1>num2)

{

case 0 : printf(“%d is Maximum.”,num2);

break;

case 1: printf(“%d is Maximum.”,num1);

break;

default : printf(“Invalid Input!!!!!!!!!!”);

}

getch();   

}

Output

Enter Two Numbers = 10

20

20 is Maximum.

C program to Check Whether an Alphabet is Vowel or Consonant Using Switch Case ?

Q:- Write a C program to Check Whether an Alphabet is Vowel or Consonant Using

       Switch Case ?

      Input

        #include<stdio.h>

        #include<conio.h>

         main()

   {

char ch;

clrscr();

printf(“Enter a Character =”);

scanf(“%c”,&ch);

switch(ch)

{

case ‘a’:

case ‘e’:

case ‘i’:

case ‘o’:

case ‘u’:

case ‘A’:

case ‘E’:

case ‘I’:

case ‘O’:

case ‘U’:

printf(“%c is Vowel.”,ch);

break;

default : printf(“%c is consonant.”,ch);

}

getch()

}

Output

Enter a Character = E

E is Vowel.

C Program to Print Number of Days in a Month Using Switch Case ?

Q:- Write a C Program to Print Number of Days in a Month Using Switch Case ?

      Input

        #include<stdio.h>

        #include<conio.h>

        int main()

   {

int month;

clrscr();

printf(“Enter Month Number (1-12) =”);

scanf(“%d”,&month);

switch(month)

{

case 1 :

case 3 :

case 5 :

case 7 :

case 8 :

case 10 :

case 12 :

printf(“31 Days.”);

break;

case 2 :

printf(“28/29 Days.”);

break;

case 4 :

case 6 :

case 9 :

case 11:

printf(“30 Days.”);

break;

default : printf(“Invalid Input!!!!!!!!”);

}

getch();

   }

Output

Enter Month Number (1-12) = 3

31 Days.

C Program to Print Day of Week Name Using Switch case ?

Q:- Write a C Program to Print Day of Week Name Using Switch case ?

      Input

        #include<stdio.h>

        #include<conio.h>

        int main()

   {

int week;

clrscr();

printf(“Enter a Week Number(1-7) =”);

scanf(“%d”,&week);

switch(week)

{

case 1 : printf(“Monday.”);

break;

case 2 : printf(“Tuesday.”);

break;

case 3 : printf(“Wednesday.”);

break;

case 4 : printf(“Thursday.”);

break;

case 5 : printf(“Friday.”);

break;

case 6 : printf(“Saturday.”);

break;

case 7 : printf(“Sunday.”);

break;

default : printf(“Invalid Input!!!!!!!!”);

}

getch();

   }

Output

Enter week Number(1-7) = 2

Tuesday.