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Sunday, December 11, 2005 

Math Trick to compute for your phone number

I happen to stumble on this cool math trick that will compute for your phone number.. try it..

1. Grab a calculator (You won't be able to do this one in your head just.. remember hit "enter" after every operation if you are using the computer)
2. Key in the first three digits of your phone number (NOT the area code-if your number is 01-123-4567, the 1st 3 digits are 123)
3. Multiply by 80
4. Add 1
5. Multiply by 250
6. Add the last 4 digits of your phone number (ex. + 4567)
7. Add the last 4 digits of your phone number again
8. Subtract 250
9. Divide number by 2

The answer should be your 7-digit fone number..

[from TarTee]



Hey that was a great math trick..i tried it with lots of numbers. It works with any 7 digit number actually.

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About me

  • I'm Gerald Cortez
  • From San Diego, California, United States
  • A frustrated weightlifter, bodybuilder, a geek in denial, Linux lover, and Open Source supporter.
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