My Math Forum New Mathematical Constant: f

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October 13th, 2012, 04:13 PM   #1
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New Mathematical Constant: f

Dear People,
Mathematical Constant thats
called f (pronounced effa)
[attachment=0:3sm5cxt0]CodeCogsEqn.gif[/attachment:3sm5cxt0]
So, if that is f, then
to find the area if a sphere
we can just do
f(r^3).
Finally,
32 digits of f: 4.1887902047863909846168578443727
Thanks, Zach
Attached Images
 CodeCogsEqn.gif (491 Bytes, 221 views)

 October 13th, 2012, 04:26 PM #2 Newbie   Joined: Oct 2012 Posts: 6 Thanks: 0 Re: New Mathematical Constant: f btw, if anyone could calculate up to 100 digits, please send me them.
October 13th, 2012, 05:41 PM   #3
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Joined: Jul 2010
From: St. Augustine, FL., U.S.A.'s oldest city

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Math Focus: Calculus/ODEs
Re: New Mathematical Constant: f

Here it is to 1000 digits:

[attachment=0:tofsz95n]effa.gif[/attachment:tofsz95n]
Attached Images
 effa.gif (26.2 KB, 209 views)

 October 13th, 2012, 06:15 PM #4 Global Moderator     Joined: Nov 2009 From: Northwest Arkansas Posts: 2,766 Thanks: 4 Re: New Mathematical Constant: f Sorry. All I see is f = PI(4/3) What am I missing?
October 13th, 2012, 07:57 PM   #5
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Re: New Mathematical Constant: f

Quote:
 Originally Posted by The Chaz Sorry. All I see is f = PI(4/3) What am I missing?
Ya ain't missin' nuttin' Chaz.

 October 13th, 2012, 08:33 PM #6 Global Moderator     Joined: Nov 2009 From: Northwest Arkansas Posts: 2,766 Thanks: 4 Re: New Mathematical Constant: f Oh for £^€\$@ sake. This "new" constant is four thirds pi???
 October 14th, 2012, 05:53 AM #7 Newbie   Joined: Oct 2012 Posts: 6 Thanks: 0 Re: New Mathematical Constant: f You Dont Remember the formula 4/3*pi*r^3? F is fricken useful. You don't have to do 4/3*3.14159265(I memorized 100 btw)*(r^3) just do f(r^3) lol...
October 14th, 2012, 06:03 AM   #8
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Re: New Mathematical Constant: f

Quote:
 Originally Posted by MarkFL Here it is to 1000 digits: [attachment=0:37qxwp10]effa.gif[/attachment:37qxwp10]
Thanks. :D
Windows Calc only goes to 32 digs. :/

October 14th, 2012, 06:23 AM   #9
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Re: New Mathematical Constant: f

Quote:
 Originally Posted by x²Zach²x Dear People, I made a new Mathematical Constant that's called f (pronounced effa) [attachment=1:1z1bo0tw]CodeCogsEqn.gif[/attachment:1z1bo0tw] So, if that is f, then to find the area if a sphere we can just do f(r^3). Finally, 32 digits of f: 4.1887902047863909846168578443727 Thanks, Zach
Everyone, if you don't understand, then take the volume of a sphere,
divide it by f, and then you will get r^3, or r*r*r.
[attachment=0:1z1bo0tw]effa2.gif[/attachment:1z1bo0tw]
Disregards, Zach
Attached Images
 effa2.gif (777 Bytes, 183 views)

 October 14th, 2012, 06:58 AM #10 Senior Member   Joined: Mar 2012 From: Belgium Posts: 654 Thanks: 11 Re: New Mathematical Constant: f Don't you see that f has really no use? It's like saying I'm making a constant for $sqrt2$ and for $1/3\pi$ (because a volume of a cone). And why don't make a constant $z=1/2\pi ^2$ so that you can easily get the volume of a hypersphere? Why don't make a constant for everything ?? Those constants are all useless and so does f. The reason why they made a constant out of pi is because you can't quickly calculate it yourself and because it is needed a lot everywhere. f is only needed for a volume of a sphere...

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