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The existence of "markdown" implies the existence of

- matthewup
- lukeleft
- johnright

I made the Dune movie poster letters with math symbols

⊃∪∩∈

Warning: film may contain spoilers for content of film

One of my dogs likes tennis balls and the other likes sticks. I am getting them this educational toy so that they will learn about topology.

You, a tech startup with millions in angel finance: made an app to turn handwritten maths into TeX.

Me, just the worst kind of smart alec: convinced a pen to turn TeX into handwritten maths

A history of mathematical notations
Book by Florian Cajori
In collections: History, Notation and conventions, Lists and catalogues
URL: maths.ed.ac.uk/~aar/papers/caj
Entry: read.somethingorotherwhatever.

The term "non-technical" (as applied to people-in-the-software-business-other-than-programmers) is pretty obviously pejorative and biased; I think most people get that.

But some days it hits me just how delusional it is that the software business refers to itself as "the tech industry", as if other things are _not_ technology. Like, go build a microscope, genius; then you can get back to spouting off about how the world revolves around NodeJS....

Tired: Camps to teach "non technical" people to become software developers.

Wired: Camps to teach programmers how to write, design, participate in a community, and all the other things.

Tom Lehrer has released his songs and lyrics into the public domain.

tomlehrersongs.com/

What a nice thing to do.

A universal differential equation
Article by Lee A. Rubel
In collections: Fun maths facts, Unusual computers
There exists a non trivial fourth-order algebraic differential equation $P(y',y'',y''',y'''') = 0,$ where $$P$$ is a polynomial in four variables, with integer coefficients, such that for any continuous function $$\phi$$ on $$(-\infty,\infty)$$ and for any positive continuous function $$\varepsilon(t)$$ on...
URL: projecteuclid.org/euclid.bams/
Entry: read.somethingorotherwhatever.

monospace font recommendation

for the record, some new "coding ligatures" fonts that have decent international support:

Iosevka
typeof.net/Iosevka/

Hasklig
github.com/i-tu/Hasklig
(from parent Source Code Pro)

Mensch
robey.lag.net/2010/06/21/mensc
(from parent Menlo)

Victor Mono
rubjo.github.io/victor-mono/

found via programmingfonts.org/

I like the _idea_ of Victor Mono but I think Iosevka looks better…none of them are as cute as Fira :(

Solving one problem at a time:

Information on creating marbled paper with LaTeX! people.csail.mit.edu/jaffer/Ma.

You can find the package documentation here: ctan.org/pkg/pst-marble .

Sir Thomas Urquhart was a 17th-century Scottish eccentric who tried to systematize a new language for trigonometry; the law of sines was abbreviated as “eproso”, which (if you know the system) encapsulates its meaning.

blog.plover.com/book/Urquhart-

OMFG A FEDERATED SCHOLARLY COMMUNICATIONS PLATFORM!

I literally cannot wait to dig into this!! It's what I've been wanting!

olki.loria.fr/platform/

#Accessibility
A color contrast checker that offers alternatives if your color combination has not enough contrast. It would be cool to chose if you want to change background or foreground though but it's still very nice to get suggestions

polypane.app/color-contrast/#f

Challenge for applied category theory: build a ronavirus, so that the world can be sane again.

RT @DataVizSociety@twitter.com

#DataVisualization can help us make sense of and teach about the coronavirus, but the stakes are high. @abmakulec@twitter.com has 10 considerations to help you #VizResponsibly:

medium.com/nightingale/ten-con

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