math

What are the odds of choosing 7 or more face cards (jacks/queens/kings/aces) from 8 random playing cards?

I get about 1/1772 but I’m not confident

Learn With Exer Institute (exerinstitute.com)

Hello everyone, I am a co-founder of Exer Institute and we’ve finally launched our educational video sharing platform exerinstitute.com....

“The Universe of Mathematics”: a map to represent the extent of research in mathematics and show concrete uses of the discipline (In French) (www.insmi.cnrs.fr)

Created in 2023 by CNRS Mathématiques (Insmi) , this map illustrates the areas of research in mathematics and shows that mathematics answers concrete questions in our everyday lives. 👍

Topologists Tackle the Trouble With Poll Placement (www.quantamagazine.org)

Mir Mathematic books - free to print (mirtitles.org)

Mir Publishers (a Soviet Era publishing house) does not exist anymore. They published great textbooks/workbooks in Mathematic and other domains. Feel free to download, print, and share them 👍

Great vulgarization videos (in french) (www.arte.tv)

Hi, just wanna share it here !

Talks at the Joint Mathematics Meetings — Terence Tao (terrytao.wordpress.com)

Calculating The Number Of Digits In A Power Of 2 (ishan.page)

Reading Supports Abound in Schools, But Effective Math Help Much Harder to Find (www.the74million.org)

The decimal point is 150 years older than historians thought (www.nature.com)

What is the name of this fractal? (lemmy.world)

This is a recurring pattern I see when making infinite grid. I figured there might be a name to this “fractal” if I may call it that way. Does it even have a name?

MIT and IBM Find Clever AI Ways Around Brute-Force Math (spectrum.ieee.org)

Is there statistical credibility to the idea that any one rare experience is unlikely to happen to any one person, but at least one rare experience is likely to happen to each person?

I’m picturing the math as a very large set of bell curves where most people fall somewhere in the middle, but each person is likely to be an outlier on at least one.

Three Parrots equation by Hamid Naderi Yeganeh (lemmy.world)

source: nitter.woodland.cafe/…/1722207367817986346

Is there a way to draw a circle within a triangle without a compass?

Taxonomy of square n×n matrices (mander.xyz)

This is OC by myself, but from long time ago (2012). I’ve kept it up to date, and I still do, so if you spot any error, please comment; I will update it (here and on the blog). Link to my blog entry: …wordpress.com/…/taxonomy-of-matrices/Link on Wikimedia Commons:...