C++ Program to make a simple calculator having all basic functions (+,-,*, /, %,^,!)
Code :
//
C++ Program to make a simple calculator having all basic functions (+,-,*, /,
%,^,!)
#include<iostream>
using namespace std;
void main()
{
cout << "\t\t\tCalculator\n\n";
int a, b;
char op;
float res=1;
do
{
cout << "Enter Operational operator (+,-,*, /, %,^,!) :
";
cin >> op;
if (op == '!')
{
cout << "Enter Number Of Which You Want To Take Factorial :
";
cin >> a;
while (a > 0)
{
res = res*a;
a--;
}
}
else if (op == '-')
{
cout << "Enter First Number : ";
cin >> a;
cout << "Enter Second Number : ";
cin >> b;
if (a > b)
{
res = a - b;
}
else
{
res = b - a;
}
}
else if (op == '/')
{
cout << "Enter First Number : ";
cin >> a;
cout << "Enter Second Number : ";
cin >> b;
res = a / b;
}
else if (op == '*')
{
cout << "Enter First Number : ";
cin >> a;
cout << "Enter Second Number : ";
cin >> b;
res = a * b;
}
else if (op == '+')
{
cout << "Enter First Number : ";
cin >> a;
cout << "Enter Second Number : ";
cin >> b;
res = a + b;
}
else if (op == '%')
{
cout << "Enter First Number : ";
cin >> a;
cout << "Enter Second Number : ";
cin >> b;
res = a % b;
}
else if (op == '^')
{
cout << "Enter Number : ";
cin >> a;
cout << "Enter Power : ";
cin >> b;
res = pow(a, b);
}
else
{
cout << "Please Rnter A Valid Operator.";
res = 0;
}
cout << "\n\n\nResult : "
<< res;
cout << "\n\nPress Q For Quit The Program OR Press Any Key To
Run Again.";
cin >> op;
} while (op != 'Q' ||op != 'q');
cout << "\n\n";
system("pause");
}
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