//Description: Create a mini calculator program that will allow user to enter 
//two integers [Operand 1 and Operand 2]; program will calculate sum, 
//difference, whole number quotient, remainder, real number quotient, square 
//root of Operand 1, and value of Operand 2 raised to the power of 4.
 
//**********Preprocessor Directives**********
#include <fstream>
#include <iostream>
#include <stdio.h>
#include <iomanip>
#include <cmath>
#include <math.h>
#include <string>
using namespace std;
 
//**********main**********
int main(void)
{
 
int          choice,            //output choice
             op1,               //Operand 1
             op2,               //Operand 2
             sum,               //op1 + op2
             difference,        //op1 – op2
             product,           //op1 * op2
             w_quotient,        //op1/op2
             modulus,           //op1 % op2
             power;             //power
 
long double  r_quotient;        //op1/op2
 
double       y = 4,             //exponent
             sqrt(double op1),  //finds sqrt
             pow(double op1, double y);       //finds power
 
ofstream      outfile;         //to write to an output file
 
 
						  //input section
system ("cls");
cout << "Enter First Operand:  ";
cin >> op1;
cout << "Enter Second Operand:  ";
cin >> op2;
 
 
						  //process section
 
sum = op1 + op2;
difference = op1 - op2;
product = op1 * op2;
w_quotient = op1/op2;
modulus = op1 % op2;
r_quotient = op1/op2;
sqrt(op1);
pow(op2, 4);
 
						  //output section
 
system ("cls");
cout << "Output Choice: 1 (Screen) 2 (File), (choose 1 or 2: ";
cin >> choice;
if(choice==2)
   outfile.open("d.minicomputer.dta");
else
   outfile.open("con");
system ("cls");
outfile << setiosflags(ios::showpoint|ios::fixed)<< setprecision(2);
outfile << setw(49)"Mini Computer" << endl;
outfile << setw(49)"=============" << endl << endl;
outfile << setw(35)"Operand 1" setw(35)"Operand 2" endl;
outfile << setw(35)"=========" setw(35)"=========" endl << endl;
outfile << setw(35)op1 << setw(35)op2 << endl << endl;
outfile << setw(8)"Sum" setw(15)"Difference" setw(12)"Product" setw(19)"Whole Quotient" setw(14)"Remainder" endl;
outfile << setw(8)"===" setw(15)"==========" setw(12)"=======" setw(19)"==============" setw(14)"=========" endl << endl;
outfile << setw(8)sum << setw(15)difference << setw(12)product << setw(19) w_quotient << setw(14) modulus << endl << endl;
outfile << setw(15)"Real Quotient" setw(26)"Square Root of Operand 1" setw(29)"Operand 2 to the power of 4" endl;
outfile << setw(15)"=============" setw(26)"========================" setw(29)"===========================" endl << endl;
outfile << setw(15)r_quotient << setw(26)sqrt << setw(29)power << endl;
outfile.close();
return 0;
}