Calculator VC++_2005

• Download Calculator_VC__.zip - 3,517.5 KB

Introduction

A simple calculator with managed visual c++ in studio 2005.

Background

Using the code

I used a class for items(item.h) . In this class are stored the two number into property and the result:

//
    property double nr1;
    property double nr2;

//

The operations like :asin,cos,power,pi,plu,divide,sqrt etc. are edited into inherited class from items:

//
#pragma once
#include "Items.h"

using namespace System;

public ref class asinus : public Items
{
public:

    asinus(void)
    {
        
    }

    double^ asin(double a)
    {        
        return Math::Asin(a);
    }
    
};


// 

<<>>In the base class i used 6 boolean variable for the precedent operation:
>

bool plus;
bool minus;
bool produs;
bool divide;
bool sin;
bool prec;

For button equal:

private: System::Void btnegal_Click(System::Object^  sender, System::EventArgs^  e)
 {
     prec = false;

     if(plus == true)
     {
         this->txtRes->Text = Convert::ToString(p.aduna(i.nr1,i.nr2));
     }
     else if(minus == true)
     {
        this->txtRes->Text = Convert::ToString(m.scadere(i.nr1,i.nr2));
     }
     else if(produs == true)
     {
        this->txtRes->Text = Convert::ToString(pr.inmultire(i.nr1,i.nr2));
     }
     else if(divide == true)
     {
        this->txtRes->Text = Convert::ToString(d.impartire(i.nr1,i.nr2));
     }
 }

I have a function for operaton click:

private: System::Void Operation_Click(System::Object^  sender, System::EventArgs^  e)
     {
         if(prec == false)
         {
            i.nr1 = Convert::ToDouble(this->txtRes->Text);
         }
         if(prec == true)
         {
            i.nr2 = Convert::ToDouble(this->txtRes->Text);
         }
     }

History

The first version...keeping for future ...

All ze best for all programmers ...:)
The programming no have limits, only limit is imposed by our minds and hidden benefits ...