26.PROGRAM OF CALCULATOR USING FUNCTIONS

/*PROGRAM OF CALCULATOR USING FUNCTIONS*/

#include

#include

void mult(int,int);

void div(int,int);

void sub(int,int);

void add(int,int);

float c=0;

void main()

{

int ch;

float num1,num2;

clrscr();

printf("ENTER THE FIRST NUMBER=");

scanf("%f",&num1);

printf("\n\nENTER THE SECOND NUMBER=");

scanf("%f",&num2);

do

{

printf("\n\nCHOOSE YOUR CHOICE");

printf("\n1.MULTIPLICATION");

printf("\n2.DIVISION");

printf("\n3.SUBTRACTION");

printf("\n4.ADDITION");

printf("\n5.EXIT");

printf("\nYOUR CHOICE=");

scanf("%d",&ch);

switch(ch)

{

case 1:

mult(num1,num2);

break;

case 2:

div(num1,num2);

break;

case 3:

sub(num1,num2);

break;

case 4:

add(num1,num2);

break;

case 5:

printf("\n\n\t\t\t\tBYE!!!!BYE!!!!");

}

}

while(ch!=5);

getch();

}

void mult(int a,int b)

{

c=a*b;

printf("\n\nAFTER MULTIPLICATION VALUE=%f",c);

}

void div(int a,int b)

{

c=a/b;

printf("\n\nAFTER DIVISION VALUE=%f",c);

}

void sub(int a,int b)

{

c=a-b;

printf("\n\nAFTER SUBTRACTION VALUE=%f",c);

}

void add(int a,int b)

{

c=a+b;

printf("\n\nAFTER ADDITION VALUE=%f",c);

}

/******OUTPUT******

CHOOSE YOUR CHOICE

1.MULTIPLICATION

2.DIVISION

3.SUBTRACTION

4.ADDITION

5.EXIT

YOUR CHOICE=1

AFTER MULTIPLICATION VALUE=8.000000

CHOOSE YOUR CHOICE

1.MULTIPLICATION

2.DIVISION

3.SUBTRACTION

4.ADDITION

5.EXIT

YOUR CHOICE=2

AFTER DIVISION VALUE=2.000000

CHOOSE YOUR CHOICE

1.MULTIPLICATION

2.DIVISION

3.SUBTRACTION

4.ADDITION

5.EXIT

YOUR CHOICE=3

AFTER SUBTRACTION VALUE=2.000000

CHOOSE YOUR CHOICE

1.MULTIPLICATION

2.DIVISION

3.SUBTRACTION

4.ADDITION

5.EXIT

YOUR CHOICE=4

AFTER ADDITION VALUE=6.000000

CHOOSE YOUR CHOICE

1.MULTIPLICATION

2.DIVISION

3.SUBTRACTION

4.ADDITION

5.EXIT

YOUR CHOICE=5

BYE!!!!BYE!!!!

*/