C LANGUAGE - 17: BETTER CALCULATOR
IN THIS TUTORIAL, WE WILL BUILD A BETTER 4 FUNCTIONAL CALCULATOR:
#include<stdio.h>
#include<stdlib.h>
int main() {
double num1;
double num2;
char op;
printf("Enter a number: ");
scanf("%lf", &num1);
printf("Enter Operator: ");
scanf(" %c", &op);
printf("Enter a number: ");
scanf("%lf", &num2);
if(op == '+'){
printf("%f", num1 + num2);
} else if(op == '-'){
printf("%f", num1 - num2);
} else if(op == '*'){
printf("%f", num1*num2);
} else if(op == '/'){
printf("%f", num1/num2);
} else {
printf("Invalid Operator");
}
return 0;
}
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