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New Message Board Archives >> 2005 General Board Posts >> Cool Math Trick
(Message started by: mynm156 on Oct 21st, 2005, 12:46am)

Title: Cool Math Trick
Post by mynm156 on Oct 21st, 2005, 12:46am
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?


Title: Re: Cool Math Trick
Post by Mr. Happy on Oct 21st, 2005, 12:59am
Unless this is the atomic weight of Ueli's beard hair, these numbers mean squat, but then again, I suck at math, especially on tests.

Must be a trick question.
I don't turn tricks.
RJ

Title: Re: Cool Math Trick
Post by mynm156 on Oct 21st, 2005, 1:04am

on 10/21/05 at 00:59:06, Mr. Happy wrote:
Unless this is the atomic weight of Ueli's beard hair, these numbers mean squat, but then again, I suck at math, especially on tests.

Must be a trick question.
I don't turn tricks.
RJ

HMMMMMMMMMMM  MR. HAPPY DOESNT TURN TRICKS??  So U must just give it away when you can huh?  Well turnin tricks is good work if you can find it!

Title: Re: Cool Math Trick
Post by Mr. Happy on Oct 21st, 2005, 1:14am

on 10/21/05 at 01:04:56, mynm156 wrote:
Well turnin tricks is good work if you can find it!

If I could _Find It_, I wouldn't be turning stupid Math Tricks in the wee hours of the morning.

Just shoot me.
RJ

Title: Re: Cool Math Trick
Post by AussieBrian on Oct 21st, 2005, 4:48am

on 10/21/05 at 00:46:59, mynm156 wrote:
Do you recognize the answer?

Wow!  The number was meaningless until I turned the calcuator upside down and it now reads "OO.hi hi."

You making a pass at me?

Title: Re: Cool Math Trick
Post by burnt-toast on Oct 21st, 2005, 7:20am
8)

Tom

Title: Re: Cool Math Trick
Post by Sandy_C on Oct 21st, 2005, 7:39am
???????????

Nope

Title: Re: Cool Math Trick
Post by TomM on Oct 21st, 2005, 7:54am

on 10/21/05 at 01:14:51, Mr. Happy wrote:
I can't _Find It_, my wee-wee is stupid in the morning.

Just shoot me.
RJ


WOW! The things people write in public forums never cease to amaze me.
Happy Friday!
TomM

Title: Re: Cool Math Trick
Post by Ueli on Oct 21st, 2005, 8:51am

on 10/21/05 at 00:59:06, Mr. Happy wrote:
Unless this is the atomic weight of Ueli's beard hair,...
This is another Happy nonsense statement. ;;D

Only an atom can have an "atomic weight", or as more up to date people would say an "atomic mass number". (Weight is a force caused by the gravitational field of the earth.)
Most stuff is made up of molecules, that therefore have a molecular mass number (or molecular weight in the backwoods). A hair, whether in my beard or on Happys chest, is made up of many different molecules. Therefore, writing of the "atomic weight of a hair" is a blatant case of syntax error. :P


Oh yeah, there's an error in the math trick too. It should state: If your phone number does not have exactly 7 digits, the result you'll get is a meaningless string of digits.


PFNADs, Ueli                  [smiley=smokin.gif]



Title: Re: Cool Math Trick
Post by jimmers on Oct 21st, 2005, 10:58am
Its my phone #

wow

jimmers

Title: Re: Cool Math Trick
Post by kimmiedawn81 on Oct 21st, 2005, 11:02am
My phone number!

Title: Re: Cool Math Trick
Post by TomM on Oct 21st, 2005, 11:11am

on 10/21/05 at 08:51:19, Ueli wrote:
Only an atom can have an "atomic weight", or as more up to date people would say an "atomic mass number". (Weight is a force caused by the gravitational field of the earth.)
Most stuff is made up of molecules, that therefore have a molecular mass number (or molecular weight in the backwoods). A hair, whether in my beard or on Happys chest, is made up of many different molecules. Therefore, writing of the "atomic weight of a hair" is a blatant case of syntax error. :P
PFNADs, Ueli


Avagadro's number, baby! 6.23x1023 is the number of atoms [or molecules] in a mole.


Title: Re: Cool Math Trick
Post by ExplodingEyeBall on Oct 21st, 2005, 11:30am
Pi?

Title: Re: Cool Math Trick
Post by Kevin_M on Oct 21st, 2005, 11:37am

on 10/21/05 at 11:11:16, TomM wrote:
Avagadro's number, baby! 6.23x1023



6.02214199


http://gemini.tntech.edu/~tfurtsch/scihist/Ncalc.gif



Avogadro constant

Value  6.022 1415 x 1023 mol-1  

Standard uncertainty  0.000 0010 x 1023 mol-1  

Relative standard uncertainty   1.7 x 10-7

Concise form  6.022 1415(10) x 1023 mol-1    
 
Source: 2002 CODATA    



Today's best experimental value of   6.022 141 99 x 1023 mol-1 atoms per mol is the best average for measurements using the best methods available.  The experiments are often very difficult to carry out. That the number today has 8 significant figures is a testament to the quality of modern experimental methods.

Title: Re: Cool Math Trick
Post by JenniferD on Oct 21st, 2005, 12:05pm
I don't think I need to remind anyone - especially my boss - of my current math skills  .

Anyone need paper clips?

Title: Re: Cool Math Trick
Post by Melissa on Oct 21st, 2005, 12:18pm
I got my phone number.  Did anyone else get my phone number??



Title: Re: Cool Math Trick
Post by echo on Oct 21st, 2005, 12:20pm

on 10/21/05 at 12:18:03, Melissa wrote:
 Did anyone else get my phone number??


Yes

Title: Re: Cool Math Trick
Post by TomM on Oct 21st, 2005, 12:43pm

on 10/21/05 at 11:37:59, Kevin_M wrote:
6.02214199

http://gemini.tntech.edu/~tfurtsch/scihist/Ncalc.gif


I sit corrected.  :)
TomM

Title: Re: Cool Math Trick
Post by Kevin_M on Oct 21st, 2005, 12:59pm

on 10/21/05 at 12:43:21, TomM wrote:
I sit corrected.  :)
TomM



Sorry Tom, I was looking up the plural for numbers of avocados.   ;;D

Title: Re: Cool Math Trick
Post by TomM on Oct 21st, 2005, 1:02pm

on 10/21/05 at 12:59:03, Kevin_M wrote:
Sorry Tom, I was looking up the plural for numbers of avocados.   ;;D


LMAO!

The bank has one avacado and the wife has the other.   ;;D
Avacadoless Tom

Title: Re: Cool Math Trick
Post by rextangle on Oct 21st, 2005, 4:16pm
Well, remember you're actually entering all the digits of your phone number in your calculator so it's no surprise really.


Give Mr. Happy an acre and he'll turn tricks faster than the shadow of Wotan. Guaranteed.

Title: Re: Cool Math Trick
Post by Charlie on Oct 21st, 2005, 9:22pm
Got my number which is something because I never remember the thing.

I'm supposed to have an aptitude for math. Something went wrong.... very wrong. Sad really.

It's smileys that are my specialty. (watch the whole thing)

Charlie http://www.netsync.net/users/charlies/gifs/fly zap.gif

Title: Re: Cool Math Trick
Post by Mr. Happy on Oct 22nd, 2005, 12:07am

on 10/21/05 at 21:22:27, Charlie wrote:
It's smileys that are my specialty. (watch the whole thing)
Charlie

Cheesus, Chaz......I'm all into the new millennium as much as the next guy.......but is this what we've come to, the epitaph etched on your Stone of the Ages.....Smileys that are my specialty.
We've come a long way since the 60's.

Right?
RJ

Title: Re: Cool Math Trick
Post by Mr. Happy on Oct 22nd, 2005, 12:35pm
This just in:

111,111,111 x 111,111,111 = 12,345,678,987,654,321  

===============

and this:

Q. If you were to spell out numbers, how far would you have to go until you would find the letter "A"?

A. One thousand




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