Thread: Hello Uncles and Aunties!

Code:

#include<iostream.h>
#include<string.h>
#include<conio.h>
#include<stdio.h>
#include<stdlib.h>

void menu() // main menu
{
printf("A......Addition\n");
printf("S......Subtraction\n");
printf("D......Division\n");
printf("M......Multiplication\n");
printf("F......Factorial\n");
printf("P......Power\n");
printf("G......String Operation\n");
printf("E......Exit\n");
printf("\t\tEnter Your Choice Please");
}


void add() // function for addition
{
char ch;
while(1)
 {
 int a,b;
 clrscr();
 cout<<"\t\t\t\tAddition\nEnter 1st number:";
 cin>>a;
 cout<<"\nEnter 2nd number:";
 cin>>b;
 cout<<"\n"<<a<<"+"<<b<<"="<<(a+b);
   cout<<"\nDo you want to run again?(Y/N)";
   ch=getch();
   if(ch=='n' || ch=='N')
    {
      clrscr();
    break;
      }
   }

}


void sub() // function for subtraction
{
char ch;
while(17)
 {
 int a,b;
 clrscr();
 cout<<"\t\t\t\tSubtraction\nEnter 1st number:";
 cin>>a;
 cout<<"\nEnter 2nd number:";
 cin>>b;
 cout<<"\n"<<a<<"-"<<b<<"="<<(a-b);
   cout<<"\nDo you want to run again?(Y/N)";
   ch=getch();
   if(ch=='n' || ch=='N')
    {
      clrscr();
    break;
      }
   }

}

 

void Division() // function for division
{
char ch;
while(1)
 {
 int a,b;
 clrscr();
 cout<<"\t\t\t\tDivision\nEnter 1st number:";
 cin>>a;
 cout<<"\nEnter 2nd non-zero number:";
 cin>>b;
 cout<<"\n"<<a<<"/"<<b<<"="<<(a/b);
   cout<<"\nDo you want to run again?(Y/N)";
   ch=getch();
   if(ch=='n' || ch=='N')
    {
      clrscr();
    break;
      }
   }

}

 

void Multiplication() // function for multiplication
{
char ch;
while(1)
 {
 int a,b;
 clrscr();
 cout<<"\t\t\t\tMultiplication\nEnter 1st number:";
 cin>>a;
 cout<<"\nEnter 2nd number:";
 cin>>b;
 cout<<"\n"<<a<<"*"<<b<<"="<<(a*b);
   cout<<"\nDo you want to run again?(Y/N)";
   ch=getch();
   if(ch=='n' || ch=='N')
    {
      clrscr();
    break;
      }
   }
}


void Power() // function for power
{
char ch;
while(1)
 {
 int a,b;
 clrscr();
 cout<<"\t\t\t\tPower\nEnter number:";
 cin>>a;
 cout<<"\nEnter its power:";
 cin>>b;
   for(int i=1;i<b;i++)
    a*=a;

 cout<<"\n"<<a<<"^"<<b<<"="<<a;
   cout<<"\nDo you want to run again?(Y/N)";
   ch=getch();
   if(ch=='n' || ch=='N')
    {
      clrscr();
    break;
      }
   }
}


void Factorial() // function to calculate factorial
{
char ch;
while(1)
 {
   int a,c;
   clrscr();
   cout<<"\t\t\t\tFactorial\nEnter a number:";
   cin>>a;
   c=a;
   for(int i=c-1;i>0;i--)
    a*=i;
   cout<<c<<"!="<<a;
   cout<<"\nDo you want to run again?(Y/N)";
   ch=getch();
   if(ch=='n' || ch=='N')
    {
      clrscr();
      break;
      }
   }
}


void printstr() // strings operation menu
{
clrscr();
cout<<"\nR.....Reverse";
cout<<"\nC.....Concatenation";
cout<<"\nX.....Copy";
cout<<"\nL.....Length";
cout<<"\nB.....Back";
cout<<"\nEnter Your Choice";
}

//    STRING PORTION  START //


void reverse() // string function for reverse
{
char ch;
while(1)
 {
   clrscr();
   char str[100];
   cout<<"\nEnter a String:";
   scanf("%s",&str);
   printf("\nReverse is %s",strrev(str));
   cout<<"\nDo you want to run again?(Y/N)";
   ch=getch();
   if(ch=='n' || ch=='N')
    {
      clrscr();
      break;
      }
   }
}


void concat() // string function for concat
{
char ch;
while(1)
 {
   clrscr();
   char str[100],str1[100];
   cout<<"\nEnter 1st String:";
   scanf("%s",&str);
   cout<<"\nEnter 2nd String:";
   scanf("%s",&str1);
   cout<<str<<"+"<<str1<<"=";
   cout<<strncat(str,str1,strlen(str1));
   cout<<"\nDo you want to run again?(Y/N)";
   ch=getch();
   if(ch=='n' || ch=='N')
    {
      clrscr();
      break;
      }
   }
}


void copy() // string function for copy
{
char ch;
while(1)
 {
   clrscr();
   char str[100],str1[100];
   cout<<"\nEnter 1st String:";
   scanf("%s",&str);
   cout<<"\nEnter 2nd string";
   scanf("%s",&str1);
   clrscr();
   cout<<"1st String="<<str;
   cout<<"\n2nd String="<<str1;
   cout<<"\nString 1 copied to string 2.....";
   strcpy(str,str1);
   cout<<"\nString 1="<<str;

   cout<<"\nDo you want to run again?(Y/N)";
   ch=getch();
   if(ch=='n' || ch=='N')
    {
      clrscr();
      break;
      }
   }
}


void length() // string function for determining length
{
char ch;
while(1)
 {
   clrscr();
   char str[100];
   cout<<"\nEnter a String:";
   scanf("%s",&str);
   cout<<"\nLength of"<<str<<"is  "<<strlen(str);
   cout<<"\nDo you want to run again?(Y/N)";
   ch=getch();
   if(ch=='n' || ch=='N')
    {
      clrscr();
      break;
      }
   }
}


void Strings() // main string operations
{
cout<<"\t\t\t\tString Operations\n";
char ch='Y',str[10];
while(ch!='b' || ch!='B')
 {
   printstr();
   ch=getch();
   switch(ch)
    {
      case'R':
      case'r':
       reverse();
         break;
      case'C':
      case'c':
       concat();
         break;
     case'x':
      case'X':
       copy();
     case'l':
      case'L':
       length();
         break;
      case'b':
      case'B':
       break;
      default:
       clrscr();
      }
      if(ch=='b' || ch=='B')
       {
       clrscr();
       break;
         }
   }
}

 
void main() // The program's Main Function (will display as the program executes)
{
char ch1='Y';
cout<<"\n\n\n\n\t\t\tWelcome\n\n\t\t\tMy Calculator\n\n\t\t\tVersion 1.0\n\n\t\tPress any key.......";
getch();
clrscr();

while(ch1!='e' || ch1!='E')
 {

   
   menu(); // will call the function menu
   ch1=getch();
 switch(ch1)
    {
      case'A':
      case'a':
       add();
         break;
      case'S':
      case's':
       sub();
         break;
      case'D':
      case'd':
       Division();
         break;
      case'M':
      case'm':
       Multiplication();
         break;
      case'F':
      case'f':
       Factorial();
         break;        
      case'P':
      case'p':
       Power();
         break;
      case'G':
      case'g':
       Strings();
         break;
      case'E':
      case'e':
       exit(0);
      default:
       clrscr();

  }

 }

}

Hello ! I want this program to be given a GUI, a graphical representation of this calculator, how do I do that?

You would implement a graphical user interface using some framework. I'd recommend the portable wxWidgets, freely available at http://wxwidgets.org. If you use Win32, MFC, or .Net, you're tied to the Windows platform. People that use Linux and Macs will scorn you, and your name will be cursed among men. :-)

Roflrofl

Edit: I dont know how to do it, any guidelines? i have to just include a library or what

Uh, well you don't just make a program "Graphical." I too would suggest wxWidgets, not the easiest, but it makes nice windows and the tutorials on the site arn't bad.

or you could try SDL, but then everthing has to be make of pixels you draw one way or another yourself. Plus the current iteration seems to hate Vista.

Hey i used to love playing puTTy based MUDDs, that used nCurses! (God, the horrible punctuation!)