Math Is Fun Forum
  Discussion about math, puzzles, games and fun.   Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ • π ƒ -¹ ² ³ °

You are not logged in.

#10 Re: Euler Avenue » My theory of the Universe » 2017-11-20 10:02:15

Olinguito wrote:

An n-dimensional (real) manifold is a topological subspace
of
such that given any point x in
there exists a real number
(depending on x) such that the open ball
is homeomorphic to
.






#12 Re: Euler Avenue » What had you learned today that you found interesting? » 2017-09-10 04:14:54

I learn that Sibi is a city in Pakistan, Sibiu is a city in Romania, and Sibu is a city in Malaysia.

#13 Re: Euler Avenue » What had you learned today that you found interesting? » 2017-08-12 21:12:13

I have just learnt that the world's largest flower is the Rafflesia arnoldii, a parasitic plant that grows in the rainforests of Indonesia.

#15 Re: Euler Avenue » What had you learned today that you found interesting? » 2017-08-06 06:55:25

Today I learn that Tamil, Telugu, Malayalam and Kannada are Dravidian languages – even though they all use different writing scripts.

#17 Re: Help Me ! » A pairing problem » 2017-07-28 19:24:27

I don't get it: why is it not possible to solve the problem with n = 2?

#18 Re: Euler Avenue » What had you learned today that you found interesting? » 2017-07-23 05:35:53

Today I learn that types of ceramic pottery include earthenware, stoneware, and porcelain. These are fired at increasingly higher temperatures. Earthenware is porous and so is often glazed.

Also, Capella is the brightest star in the constellation Auriga.

#20 Re: Euler Avenue » What had you learned today that you found interesting? » 2017-06-18 08:35:05

Today I learned that Tabriz is a city in Iran, and that peridotite is an ultrabasic rock.

#21 Re: Dark Discussions at Cafe Infinity » Words that contain AEIOU, in any order, each vowel exactly once » 2017-06-18 02:16:06

EUOIA

There is a goddess in Greek mythology called Eunomia, as well as an asteroid named after her.

Board footer

Powered by FluxBB