I change to :
Code:
ADCloop:

    ADCIN 2,Vin
    Pause 200 
    Vin=(Vin* 10)/2
    Lcdout $fe, 1
    LCDOUT $FE,2
    Lcdout "Temp=",DEC (Vin DIG 2),DEC (Vin DIG 1),".",DEC (Vin dig 0),"C"			          
    goto ADCLoop
and believe is right
The LCD now show : Temp=22.5C