hi all..
i want to convert decimal to binary..

best regards..thanks.

try this following code :

Program Decimal_Binary;
Uses WinCrt;
Var
	Dec,Deci: Integer;
	Bin: String;
	Ul:Char;
Begin
	Repeat
		Clrscr;
		Writeln('Decimal to Binary Convertion Program');
		Writeln('======================================');
		Writeln;
		Write('Input Decimal Number: ');Readln(Dec);
		Deci:=Dec;
		Bin:='';
		Repeat
			If(Dec Mod 2 = 0) Then
				Bin:='0'+Bin
			Else
				Bin:='1'+Bin;
			Dec:=Dec Div 2;
		Until Des=0;
		Writeln;
		Writeln(Deci,' Decimal = ',Bin,' Binary');
		Writeln;
		Write('Try Again? [Y/N]: ');Readln(Ul);
		Ul:=Upcase(Ul);
	Until (Ul<>'Y');
End.

hope it helps

commented: good one +4
commented: Thx..relly helps :) +3
commented: helping.. +4
function IntToBin( Value: integer; Digits: integer ): string;
begin
  result := StringOfChar ( '0', digits ) ;
    while value > 0 do begin
      if (value and 1) = 1 then
        result[digits] := '1';
      dec (digits) ;
      value := value shr 1;
    end;
end;
commented: Thx.. :) +3

plz help!!! pascal tree using c sharp

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