Try this formula & U will discover math is interesting!
Ignore your area code & using only 7 digit phone:
1) key-in the first 3 digit of your phone number into the calculator
2) multiply by 80
3) then plus 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
Is the answer is your phone number???
It worked for me.
Freaky
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