Answer to Question #24529 in C++ for monami
Create a C++ program that performs 4 mathematical operations such as addition, subtraction, multiplication and division.
The numbers to be entered must have 1 whole number and with 2 decimal points.
The output must be in the center of the screen.
1
2013-02-19T09:20:30-0500
#include <conio.h>
#include <iomanip>
#include <iostream>
using namespace std;
int main()
{
double a, b;
char sign;
double result;
cout << "Enter an expression: ";
cin >> setprecision(2) >> a >> sign >> setprecision(2) >> b;
switch (sign)
{
case '+':
result = a + b;
break;
case '*':
result = a * b;
break;
case '-':
result = a - b;
break;
case '/':
result = a / b;
break;
default:
cout << "Invalid input." << endl;
_getch();
return -1;
}
cout << setw(40) << result << endl;
_getch();
return 0;
}
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