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.

#5 Re: Dark Discussions at Cafe Infinity » Did you know? » 2019-05-19 09:28:23

#26. Did you know?

Igor Stravinsky’s Violin Concerto was written for the Polish-born American violinist Samuel Dushkin. There are four movements, each beginning with the same chord (in different configurations).

220px-Passport_chord.png

I enjoyed listening to it on BBC Radio 3 just now, Renaud Capuçon the soloist with the Konzerthausorchester Berlin conducted by Iván Fischer.

#18 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
.






#20 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.

#21 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.

#22 Re: Dark Discussions at Cafe Infinity » Dogs » 2017-08-11 03:48:05

[list=*]
[*]6fd81aa39a19a002f6b947a87d8a4054.jpg[/*]
[/list]


[list=*]
[*]3307f23c6e944d881c3311527257e9d7.jpg[/*]
[/list]

#23 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.

#25 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?

Board footer

Powered by FluxBB