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.

#1 Re: Euler Avenue » What had you learned today that you found interesting? » Yesterday 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.

#3 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.

#4 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.

#9 Re: Dark Discussions at Cafe Infinity » Words that contain AEIOU, in any order, each vowel exactly once » 2016-11-02 09:57:12

Nehushtan wrote:
JaneFairfax wrote:

UOAIE
buoyancies
customaries
fluvoxamine
plutocracies
unconstrained
uncontradicted
unobtained
unordained
unorganized
unpolarized

JaneFairfax wrote:

Thanks to last night’s “University Challenge”, I have found a new word for UOAIE: unsportsmanlike. Cheering.gif

glucosamine

sulphonamide

#10 Re: Dark Discussions at Cafe Infinity » Words that contain AEIOU, in any order, each vowel exactly once » 2016-10-17 20:46:46

Olinguito wrote:
JaneFairfax wrote:

UAIOE
glutathione
quadripole
ultraviolet

unfashioned

mustachioed

#11 Re: Dark Discussions at Cafe Infinity » Words that contain AEIOU, in any order, each vowel exactly once » 2016-10-04 10:05:04

JaneFairfax wrote:

UEAIO
cupellation
numeration
putrefaction
rubefaction
ulceration

nucleation

#12 Re: Guestbook » Rainbow » 2016-08-20 03:24:16

Notice that the sky is darker above a rainbow than below it. Why? https://www.youtube.com/watch?v=xkDhQGXqwCM.

#13 Jokes » Science Wars » 2016-07-28 22:45:44

Nehushtan
Replies: 3

Physics, Chemistry, Biology, Mathematics – which one is best?

May the mass times acceleration be with you

#16 Re: Puzzles and Games » "Cars Across the Desert Puzzle" » 2016-07-13 14:40:24

wintersolstice wrote:

That was my solution as well.

#18 Re: Guestbook » Rainbow » 2016-07-01 21:25:08

I saw a rainbow yesterday.

62c2984f47035a45d3ba99f92523d707.jpg

#21 Re: Puzzles and Games » Jane’s cryptic crossword clues » 2016-06-04 12:07:28

#32. Duller stuff (6)

#33. Someone for every male child (6)

#23 Re: Help Me ! » GCD of Fibonacci Numbers » 2016-04-23 04:03:35

I would suggest proving that

divides

for all integers m and n. Which means showing that

#24 Re: Exercises » Simple exercises » 2016-04-23 03:58:58

#2. Two circles of radii r and s intersect at two points such that at each point of intersection the tangents to the circles are mutually perpendicular. Show that the centres of the circles and the points of intersection lie on a third circle, and find the radius of this circle.

#25 Exercises » Simple exercises » 2016-04-23 01:10:32

Nehushtan
Replies: 2

I posted this in another thread but here it is for anyone who might wish to have a go.

 
 
 
 

Board footer

Powered by FluxBB