"Big, big day up at the lodge"

[PantyFanatic]

I was looking at the calendar and see that today is …. :wink:















Pi day (http://www.youtube.com/watch?v=_BwKZEp2K_0&feature=related) :nod:
:line: :cool: :line:

Everybody celebrate! (http://www.youtube.com/watch?v=vJWW3qYjwwI&feature=related) :cheers:

[Rhiannon]

OK i am lost what is PI day

[FallenAngel5]

Pi Day is March 14th, ie 3.14 as in the first three digits of the mathematical constant pi. (3.14159...)

/takes off math professor hat

[PantyFanatic]

OK i am lost what is PI day
You were a bad kid and didn't follow the links (http://www.youtube.com/watch?v=_BwKZEp2K_0&feature=related) ^^^




:roflmao:


*gives one silky star to FallenAngel*

[Oldfart]

And in Oz, Pi Day has fallen over into the Ides of March.

[PantyFanatic]

It must have gotten stuck in the Vegemite. That stuff can even bring an end to Pi. :rofl:

[dicksbro]

I thought calculating PI was infinite but our PI day is almost over with just a couple of hours to go. :rolleyes2

[PantyFanatic]

I thought calculating PI was infinite ....
So far, but they're working on it. ;)

....In December 2009 Fabrice Bellard used a home-computer to compute 2,699,999,990,000 decimal digits of π. The base-2 calculation, conversion to base 10 and verification took 131 days.....

http://en.wikipedia.org/wiki/Numerical_approximations_of_π

[Oldfart]

With a number that big and not totally defined, how can we be absolutely certain of the circumference of a circle?

[dicksbro]

It's a moving target. Back in the 1950's, a geophysicist by the name of Hans Pettersson tried to estimate how much meteorite material falls to Earth's surface each year. He took nickel samples from Hawaii's Mauna Loa by passing bits of dust through dust filters. Knowing that meteorites contain 2.5 percent nickel, he estimated that 14 million tons of meteoritic material settles upon Earth each year. Then we shoot stuff into space that leaves our gravitational pull causing us to lose some. Heck, who knows. :shrug:

If we could just settle down and have a nice piece of PI. :(

[PantyFanatic]

...... Then we shoot stuff into space that leaves our gravitational pull causing us to lose some......
We have to cancel the star dust addition by giving back our garbage to maintain balance. Such a deal. ;)


I predict Pi will work out at three billion, one hundred forty one million, five hundred ninety two thousand, six hundred fifty three places. :nod:





Almost makes you think 'finite' is infinite. :wink:

[Teddy Bear]

I dunno 'bout no PI day but wasn't March 14 also 'Steak and a BJ Day'?

That I can figure out. ;)







It was also my doggies 3rd birthday! Just in case anybody was wondering. :D

[Oldfart]

If Pi is the relationship between the circumference and the diameter of the same circle, I don't understand how this can be achieved by calculation.

There is a presumption that if the diameter's 7 units, the circumference is exactly 22 units.

This should be a matter of measurement, not number crunching.

[Lord Snow]

There is the mathematical formula so that should you not be able to measure the circumference and only the diameter you can figure out the circumference. None of this is actually used in most people's every day lives. However, they insist on teaching it.

[Oldfart]

There is a presumption that the formula is correct. Anyone with a cut-out disk and a ruler will tell you that it's pretty close, but when people are running computer programs to work out an approximation to 100,000 decimal places, at what point are they fooling themselves?

[PantyFanatic]

.... when people are running computer programs to work out an approximation to 100,000 decimal places, at what point are they fooling themselves?
10^5? Not so insignificant when meeting an orbiting planet with a satellite. ;)

[PantyFanatic]

..... None of this is actually used in most people's every day lives. However, they insist on teaching it.
Don't tell that to any tool maker, or carpet layer, or building painter, or utilities planner, or surveyor, or plumber, or engineer, or center pivot irrigation farmer, or tire maker, or landscaper, or air compressor salesman, or chimney builder, or custom engine mechanic, or ………………………... :cool:




:wink:

[Oldfart]

10^5? Not so insignificant when meeting an orbiting planet with a satellite. ;)

Exactly my point.

When Pi is an approximation, the more you do with it, the more it drifts.

[dicksbro]

I dunno 'bout no PI day but wasn't March 14 also 'Steak and a BJ Day'?

That I can figure out. ;)

:D
I'm glad someone remembered! http://www.fullsmilies.com/q/Smiley/adult/BJob.gif

[Oldfart]

Hey, who hijacked my hijack?

[jseal]

LOL! Mathematicians are like that.

[Oldfart]

Mathematician? I can only count to 11 when I have shoes on.

[FallenAngel5]

Don't tell that to any tool maker, or carpet layer, or building painter, or utilities planner, or surveyor, or plumber, or engineer, or center pivot irrigation farmer, or tire maker, or landscaper, or air compressor salesman, or chimney builder, or custom engine mechanic, or ………………………... :cool:




:wink:

or math teacher! :)

[dicksbro]

or math teacher! :)
... or cook ... er ...


... wait a minute ... I guess that's PIE ...



... go back to your thread. :(

[Oldfart]

No DB, you need pi to work out how big the slice is.

[PantyFanatic]

.... and the size plate you'll need to put it on. :nod:

[Oldfart]

And the volume of cream required to cover it to a depth of 1 1/4 inches.

[dicksbro]

And the volume of cream required to cover it to a depth of 1 1/4 inches.
Now you're getting kinky. :yikes:

[Oldfart]

You noticed?

[dicksbro]

:)

[Lord Snow]

Don't tell that to any tool maker, or carpet layer, or building painter, or utilities planner, or surveyor, or plumber, or engineer, or center pivot irrigation farmer, or tire maker, or landscaper, or air compressor salesman, or chimney builder, or custom engine mechanic, or ………………………...

Ummmm tool makers and tire makers are called machines. They're all automated now. The rest of those professions are still less common than people working in retail, or factories/warehouses......That's why I said most.

[Vicious Tease]

:doorpeek: