deleted files shift deleted or formate hard drive

Hi everyone
No dear Palmetto: i means to say i have fromated my drive but still i can recover that files which i have formated after installation new (WIN ) so where that shift deleted or formated files saved in hard drive because by shift delete botton files deleted Permanently from hard drive if the files are permanently deleted from hardisk so
from where the recovery tool recover that files back there is any place in the hardisk which store shift delete files if there is so what called that area of the hardisk
thanx every body