Math

Fractal Bagatelle
Hi People! There's a 3D fractal I've been wondering about for a while now� I haven't actually plotted it myself, and was wondering if anybody's seen it elsewhere. Here's the idea: You release a ball-bearing so that it's allowed to roll down an inclined plane, and plot the position of the ball, against time, ... 15 May 2010 23:32

Geometry question
In rectangle ABCD, point R is on BC, point T is on AD, and RT is parallel to AB and to CD. Point S is on AB, and quadrilateral SRDT has an area of 24. How does one determine the area of rectangle ABCD? Thanks. ... 16 May 2010 04:53

quartic equation
How does one find all complex solutions to the equation x^4 - x^3 + x^2 - x + 1 = 0. Thanks. k ... 19 May 2010 19:23

Decimal Expansion of 1/7 -
Hein wrote: Most people look at the first four digits of 1/7 = .1428... and either don't notice the appearance of multiples of 7 (2 times 7 and 4 times 7) in the decimal representation or think that their existence in the representation is a mere coincidence. It's not. Let's compute the decimal expansi... 15 May 2010 20:17

Perseus-Pisces Supercluster tells us the Cosmos is Elliptic not Euclidean Chapter 3 #87; ATOM TOTALITY
Archimedes Plutonium wrote: Now according to Jarrett's website: --- quoting --- http://spider.ipac.caltech.edu/staff/jarrett/papers/LSS/ (big snip) Now there are other predictions of the Orchard Visibility Problem, but I have to work on them. I do not know if Jarrett would agr... 15 May 2010 13:43

Perseus-Pisces Supercluster tells us the Cosmos is Elliptic not Chapter 3: upper limit of telescope imagery is 400 million light years, not billions #86; ATOM TOTALITY
Archimedes Plutonium wrote: Now according to Jarrett's website: --- quoting --- http://spider.ipac.caltech.edu/staff/jarrett/papers/LSS/ The seventh layer (0.05 < z < 0.06) contains the backside of the Shapley Concentration, while the Sculpter supercluster dominates the southern hemisphere. ... 15 May 2010 13:43

A question about a set of primes
The primes 3, 5, 7, 11, 19, and 23 form a set in which any member can be multiplied by any other member to produce a number that is two less and/or two more than a prime number. What is the next prime that can be included in this set? ... 16 May 2010 21:13

Lent Puns
nemo wrote: "Tim Bruening" <tsbrueni(a)pop.dcn.davis.ca.us> wrote in message news:44A0DC37.775DB435(a)pop.dcn.davis.ca.us... "J. A. Mc." wrote: On Sun, 6 Jun 2004 22:27:40 -0400, "Kathy" <tn5ktkachuk(a)cogeco.ca> found these unused words floating about: "Tim... 15 May 2010 06:09

Mormons, Freemasonry and Black Watch
This garbage does not belong in sci.math ... 17 May 2010 15:48

Mormons, Morons, Freemasonry and Black Watch
This garbage does not belong in sci.math ... 15 May 2010 01:54