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Calculator.c
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Calculator.c
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#include<stdio.h>
#include<stdlib.h>
int main(){
int option,n1,n2;
float result;
char ch;
while(1)
{
printf("select any one operation ");
printf("to perform the calculation");
printf(" in c calculator:\n");
printf("\n1.addition\n2.subtraction");
printf("\n3.multiplication\n4.division");
printf("\n5.Exit\n");
printf("Choose one option:\n");
scanf("%d",&option);
switch(option)
{
case 1:
printf("For addition");
printf("\n enter first number :");
scanf("%d",&n1);
printf("\n enter second number :");
scanf("%d",&n2);
result=n1+n2;
printf("Addition =%.0f\n",result);
break;
case 2:
printf("For subtraction");
printf("\n enter first number :");
scanf("%d",&n1);
printf("\n enter second number :");
scanf("%d",&n2);
result=n1-n2;
printf("subtraction =%.0f\n",result);
break;
case 3:
printf("For multiplication");
printf("\n enter first number :");
scanf("%d",&n1);
printf("\n enter second number :");
scanf("%d",&n2);
result=n1*n2;
printf("multiplication =%.0f\n",result);
break;
case 4:
printf("For division");
printf("\n enter first number :");
scanf("%d",&n1);
printf("\n enter second number :");
scanf("%d",&n2);
result=n1/n2;
printf("division =%.0f\n",result);
break;case 5:
printf("exited\n");
exit(0);
break;
}
}
}