Mathematicall Recreations @RetroMath

Amateur math historian. (He/Him) I tweet mostly about math and math-adjacent fields and their history. Joined October 2017

Tweets

3K
Followers

328
Following

591
Likes

9K

The Museum of Curiosities @CuriosMuseum

2 years ago

New tempting ways to serve bananas.

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Mathematicall Recreations @RetroMath

2 years ago

I like this take and think it's correct. And word problems are a genre of literature but that's a totally different discussion.

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Mathematicall Recreations @RetroMath

2 years ago

Buy his book!

Buy Mass Effect The Board Game! (also on bluesky) @ithayla

2 years ago

Buy his book!

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Howie Hua @howie_hua

2 years ago

What's a fraction between 3/4 and 4/5? What was your strategy?

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Jay Cummings @LongFormMath

2 years ago

Are you a mathematician who's having a baby? Here are some nice mathematical names for your child: Epsilon Abscissa Pollygon Quintic Abacus Lemma Vector Max Eureka Tessellate Jacobian Eigen Seven 🧮

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Rachel Darnall @TrueConsolation

2 years ago

Apropos of the recent conversation about not being handed down generational domestic wisdom ... 😅

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Mathematics, geometry. Retweet if you can find a perfect Five-Pointed Star in this pattern. [From Sam Loyd (1841–1911)] Before you show the answer, why not first share this with friends who might want to see the puzzle, before seeing the answer?

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Buy Mass Effect The Board Game! (also on bluesky) @ithayla

2 years ago

Looking for an artist to do art for a 12 page TTRPG. Chunky industrial cassette futurism set in the tech level of the 70s and 80s. Cyber, AND punk, heavy on the punk. images below are kind of what we're after. contact the editor @fhartelius for details and to send portfolio.

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Merrick 🦂 @punishedmother

2 years ago

We learned that a square is a rectangle but a rectangle isn’t a square in elementary school

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Mathematicall Recreations @RetroMath

2 years ago

Just now I learned that the opposite of "miniscule" (in the context of typefaces) is "majuscule"

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a @lolennui

2 years ago

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The Museum of Curiosities @CuriosMuseum

2 years ago

1938 Cost of Living.

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Mathematicall Recreations @RetroMath

2 years ago

Stop Reporting Student Test Score Growth In Terms of Standard Deviations Challenge Difficulty: Impossible

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Massimo @Rainmaker1973

2 years ago

From a 1979 IBM presentation

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Mathematicall Recreations @RetroMath

2 years ago

The first time I heard the word "cis" was in high school chemistry.

Dr. Raven the Science Maven @ravenscimaven

2 years ago

The first time I heard the word "cis" was in high school chemistry.

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Surprised Eel Historian, PhD @greenleejw

2 years ago

You've probably been wondering: "How many eels is a cottage worth in 14th C. England?" This is a reasonable question. I get it. And happily, I'm here to help! I included a chart showing this kind of equivalence in an article I wrote for @HistoryExtra, but here's an excerpt!