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C > Beginners Lab Assignments sample source codes

Decimal to Binary, Octal and HEX converter

Decimal to Binary, Octal and HEX converter

#include<stdio.h>
#include<conio.h>
#define MAX 79
#define ESC 27
void main()
{
		 char res,r;
		 int i,k=0,y;
		 long j=0,l=0,o=0;
		 textcolor(15);
		 for(i=0;i<5000;i++)
		 		 cprintf(" ");
		 while(1)
		 {
		 		 clrscr();
		 		 printf("Enter Any Number To Be Converted : ");
		 		 scanf("%ld",&j);
		 		 l=j;
		 		 o=l;
		 		 k=0;
		 		 if(j>2145555550)
		 		 {
		 		 		 textcolor(4);
		 		 		 gotoxy(15,5);
		 		 		 cprintf("The Number Is Greater Than Range");
		 		 		 textcolor(15);
		 		 		 getch();
		 		 		 goto end;
		 		 }
		 		 else
		 		 {
		 		 		 gotoxy(1,6);
		 		 		 printf("Binary Equivalent:-");
		 		 		 y=MAX;
		 		 		 while(j>0)
		 		 		 {
		 		 		 		 k=j%2;
		 		 		 		 j=j/2;
		 		 		 		 gotoxy(y,6);
		 		 		 		 y--;
		 		 		 		 printf("%d",k);
		 		 		 }
		 		 		 gotoxy(1,8);
		 		 		 printf("Hexadecimal Equivalent:- ");
		 		 		 y=MAX;
		 		 		 while(l>0)
		 		 		 {
		 		 		 		 k=l%16;
		 		 		 		 l=l/16;
		 		 		 		 gotoxy(y,8);
		 		 		 		 y--;
		 		 		 		 if(k<=9)
		 		 		 		 {
		 		 		 		 		 printf("%d",k);
		 		 		 		 }
		 		 		 		 if(k==10)
		 		 		 		 {
		 		 		 		 		 printf("A");
		 		 		 		 }
		 		 		 		 if(k==11)
		 		 		 		 {
		 		 		 		 		 printf("B");
		 		 		 		 }
		 		 		 		 if(k==12)
		 		 		 		 {
		 		 		 		 		 printf("C");
		 		 		 		 }
		 		 		 		 if(k==13)
		 		 		 		 {
		 		 		 		 		 printf("D");
		 		 		 		 }
		 		 		 		 if(k==14)
		 		 		 		 {
		 		 		 		 		 printf("E");
		 		 		 		 }
		 		 		 		 if(k==15)
		 		 		 		 {
		 		 		 		 		 printf("F");
		 		 		 		 }
		 		 		 }
		 		 		 gotoxy(1,10);
		 		 		 printf("Octal Equivalent:- ");
		 		 		 y=MAX;
		 		 		 while(o>0)
		 		 		 {
		 		 		 		 k=o%8;
		 		 		 		 o=o/8;
		 		 		 		 gotoxy(y,10);
		 		 		 		 y--;
		 		 		 		 printf("%d",k);
		 		 		 }
		 		 }
		 		 gotoxy(15,25);
		 		 printf("Press Any Key To Continue , ESC To Exit");
		 		 res=getch();
		 		 if(res==ESC)
		 		 {
		 		 		 break;
		 		 }
		 }
		 end:
		 textcolor(7);
		 for(i=0;i<5000;i++)
		 		 cprintf(" ");
		 clrscr();
}