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calculator.c
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calculator.c
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#include<stdio.h>
#include<math.h>
int main()
{
int operation;
float a,b;
float result;
printf("[1] Addition \n");
printf("[2] Subtraction \n");
printf("[3] Multiplication \n");
printf("[4] Dividation \n");
while(1){
printf("\n\nChoose Your Operation :",operation);
scanf("%d",&operation);
switch (operation){
case 1:
printf("Addition:\n");
printf("Enter 1st number :",a);
scanf("%f",&a);
printf("Enter 2nd number :",b);
scanf("%f",&b);
result = a + b;
printf("result is : %f", result);
break;
case 2:
printf("Subtraction:\n");
printf("Enter 1st number :",a);
scanf("%f",&a);
printf("Enter 2nd number :",b);
scanf("%f",&b);
result = a - b;
printf("result is : %f", result);
break;
case 3:
printf("Multiplication:\n");
printf("Enter 1st number :",a);
scanf("%f",&a);
printf("Enter 2nd number :",b);
scanf("%f",&b);
result = a * b;
printf("result is : %f", result);
break;
case 4:
printf("Dividation:\n");
printf("Enter 1st number :",a);
scanf("%f",&a);
printf("Enter 2nd number :",b);
scanf("%f",&b);
result = a / b;
printf("result is : %f", result);
break;
default : printf("Invalid Input!");
}
}
return 0;
}