Try this..its amazing.....

1)key-in the first 3 digit of your handphone number (not the 01x)number) into the calculator
2) multiply by 80
3) add 1
4) multiply by 250
5) plus last four digit of phone number
6) plus last four digit of phone number again
7) minus 250
8) divide by 2 at last

at last it will come out with ur handphone number....
AMAZING ISN'T IT !!!