C++ Project on Matrix Calculator

Matrix Calculator

#include
#include
#include
#include
#include
#include
#include
#include

class Border
{
public:
void body(void);
};

class Screen
{
public:
void screen(void);
};

class Output:public Screen
{
public:
void Text(char *);
void Number(double);
};

class Button
{
public:
void button_u(int,int,int,int,int,int,char*);
void button_p(int,int,int,int,int,int,char*);
};

void Border::body(void)
{

   setcolor(WHITE);
  // rectangle(230,5,490,340);
 //  rectangle(225,0,495,345);

Full Program can be downloaded from http://projects.icbse.com/cpp/207.pdf