project.cpp

#include <iostream>
#include <fstream>
#include <string>
#include <cstdlib>
#include <ctime>
#include <cmath>
using namespace std;

// Functions from other programs
int sum(int a, int b){
  int c;
  c=a+b;
  return c;
}

int dif (int a, int b){
  int e;
  e=a-b;
  return e;
}

int product (int a, int b){
  int f;
  f=a*b;
  return f;
}

int divider (int a, int b){
  int g;
  g=a/b;
  return g;
}

int rem (int a, int b){
  int h;
  h=a%b;
  return h;
}

//End of functions of other programs

int simpleCalculator (int num1, int num2){
cout << " The sum of the two numbers is: "<< num1+num2 <<endl;
cout << " The diference of the two numbers is: "<< num1-num2 <<endl;
cout << " The product of the two numbers is: "<< num1*num2 <<endl;
cout << " The integer based division of the two numbers is: "<< num1/num2 <<endl;
cout << " The remainder of the two numbers is: "<< num1%num2 <<endl;
}

int tempConverter (int datain){
int dataout;
cout << " The temperature of "<< datain;
dataout= 5*(datain-32)/9;
cout << " and the temperature in Celsius is "<< dataout <<endl;
if (dataout>=100)
  cout << " Water does boil at this temperature."<<endl;
else
  cout << " Water does not boil at this temperature."<<endl;
}


int integerSum (int low, int up){
int sum=1, olow;
olow=low;
if (low<=up){
do {
  low++;
  sum=sum+low;
} while(low!=up);
cout<<" The sum of "<<olow<<" and "<<up<<" numbers is "<<sum<<endl;}
else{
  cout<<" The number that you typed was upper than the upper number";
}
return 0;
}

int functionCalc(int a, int b)
{
  int d,e,f,g,h;
  d=sum (a,b);
  e=dif(a,b);
  f=product (a,b);
  g=divider(a,b);
  h=rem(a,b);
  cout << endl <<" The sum of the numbers is: "<<d<<endl;
  cout << endl <<" The rest of the numbers is: "<<e<<endl;
  cout << endl <<" The multiplication of the two numbers is: "<<f<<endl;
  cout << endl <<" The division of the two numbers is: "<<g<<endl;
  cout << endl <<" The remainder of the division is: "<<h<<endl;
return 0;
}


int main (){
  int menu;
  cout << endl << "Hey there, this program is a compilation of all course programs!" << endl << endl;
  cout << "################################################################" << endl << endl;
  cout << "############################# MENU #############################" << endl << endl;
  cout << "################################################################" << endl << endl;
  cout << "-------- TYPE THE NUMBER OF THE PROGRAM YOU WANT TO USE --------" << endl << endl;
  cout << " 1. Simple Calculator (sum, rest, mult, divides and remaninder)" << endl;
  cout << " 2. Temperature Converter (converts F° to C°)" << endl;
  cout << " 3. Lucky Game" << endl;
  cout << " 4. Integer Sum" << endl;
  cout << " 5. Function Calculator" << endl;
  cout << " 6. Factorial Calculator" << endl;
  cout << endl << " Please select an option: ";
  cin >> menu;
  cout << endl;
  switch (menu) {
    case 1:
    int num1, num2;
    cout << " Please enter a integer number: ";
    cin >> num1;
    cout << " Please enter a second integer number: ";
    cin >> num2;
    simpleCalculator(num1, num2);
    break;

    case 2:
    int datain;
    cout << " Enter the temperature in Fahrenheit: ";
    cin >> datain;
    tempConverter(datain);
    break;

    case 3:
    int user;
    cout << " You have to guess the number between 1 and 100 "<<endl;
    cin >> user;
      int random, counter;
      srand(time(0));
      random = rand()%101;
    for(counter=1; user!=random; counter++){
      if(user!=random){
        if(user>random)
        cout<<" The number is to high, please try again."<<endl;
        if(user<random)
        cout<<" The number is to low, please try again."<<endl;
        cin>>user;
      }
    }
    if(user==random){
      cout<<" ###########################"<<endl;
      cout<<" #You get the right number!#"<<endl;
      cout<<" # You made it at "<<counter<<" time. #"<<endl;
      cout<<" ###########################"<<endl;
    }
    break;

    case 4:
    int up, low;
    cout<<" This program calculates the sum of 2 integer numbers that you give"<<endl;
    cout<<" Please, give me lower number: ";
    cin>>low;
    cout<<" Please give me upper number: ";
    cin>>up;
    integerSum(low, up);
    break;

    case 5:
    int a, b;
    cout<<" Give me the first integer number: ";
    cin>>a;
    cout << endl <<" Give me the second integer number: ";
    cin>>b;
    functionCalc(a, b);
    break;

    case 6:
    long long int n,count,product,sum,fac;
    char answ;
    cout<<" This program calculate the factorial of a number."<<endl;
    do {
      cout << endl << " Please type an positive number: ";
      cin >> n;
      count=1;
      product=1;
      sum=1;
      if (n>1) {
        do{
          count++;
          product=product*(sum+1);
          sum++;
          fac=product;
        }while (count!=n);
        cout <<" The factorial of "<<n<<" is: "<<fac<<endl << endl;
        cout <<" Would you like to type another number (y/n)? ";
        cin >> answ;
      } else {
        if (n==1) {
          cout << endl <<" The factorial of 1 is: 1"<<endl;
          cout << endl << " Would you like to type another number (y/n)? ";
          cin>>answ;
        } else {
          cout<<" The number that you enter was negative, please try again."<<endl;
          answ='y';
        }
      }
    } while(answ=='y');
    break;

    default:
    cout << endl << " Please select a valid option." << endl;
  }


}