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Cool Math Trick!

Discussion in 'Humor, Games, Clips, Yarns & Tales' started by Reefwrecker, Feb 20, 2005.

  1. Reefwrecker

    Reefwrecker Registered

    # of Dives: 0 - 24
    Location: Jacksonville, FL
    37
    0
    Pretty neat!

    1. Grab a calculator. (You won't be able to do this one in your head)
    2. Key in the first three digits of your phone number (NOT the area code)
    3. Multiply by 80
    4. Add 1
    5. Multiply by 250
    6. Add the last 4 digits of your phone number
    7. Add the last 4 digits of your phone number again.
    8. Subtract 250
    9. Divide number by 2

    Do you recognize the answer?
     
  2. subaquaman

    subaquaman Scuba Instructor

    347
    1
    :laughing: Very cool :god:
     
  3. bedmund

    bedmund Contributor

    190
    1
    Boy that's condescending! How do you know I can't do it in my head? Watch this....

    Yeah, that's pretty neat.

    So there.

    -Bill
     
  4. baltimoron

    baltimoron Contributor

    1,288
    0
    AHHH!!!!!!!! YOU STALKER!!! HOW DO YOU KNOW MY PHONE NUMBER?!?!?!?

    :lol2:
     
  5. wstein

    wstein Contributor

    # of Dives: 50 - 99
    Location: Tampa Bay, FL
    5,676
    1
    hmmmmm, an interesting way to give your phone number to someone
     
  6. DeepBlueResort

    DeepBlueResort Contributor

    938
    10
    Wooooooooooow I am impressed i like that one do you have any more????
     
  7. wedivebc

    wedivebc CCR Instructor Trainer ScubaBoard Supporter

    5,531
    1,349
    doesn't work with my phone# since the 4th digit is a zero
     
  8. neophytediver

    neophytediver Scuba Instructor

    186
    0
    Not impressed. Simple trick.
     
  9. jonnythan

    jonnythan Knight Scublar ScubaBoard Supporter

    # of Dives: 200 - 499
    Location: Upstate NY
    10,070
    110
    It should still work. It boils down to 1000x + y, and it doesn't matter what x and y are.
     
  10. wedivebc

    wedivebc CCR Instructor Trainer ScubaBoard Supporter

    5,531
    1,349
    right you are, I must have miss keyed.
     

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