// caculator.cpp : Defines the entry point for the console application. // #include #include #include #include #include char e; int main(int argc, char *argv[]) { do { float a,c,d; char b; printf("input first number\n"); scanf("%f",&a); printf("input operator\n"); getchar(); scanf("%c",&b); printf("input the second number\n"); scanf("%f",&c); switch(b) { case'+':d=a+c;break; case'-':d=a-c;break; case'*':d=a*c;break; case'%':if(c==0) { printf("error\n"); break;} else d=a/c;break; case'^':d=pow(a,c);break; default:printf("error\n"); } printf("%f\n",d); printf("do you want to continue y/n\n"); getchar(); scanf("%c",&e);} while(e=='y'); return 0; }