I dunno whether "good" really applies to this, but I've gotta say I've been loving the cost, portability and reliability of the Numark DJ2Go Touch ($AU120):
I've got a cute little portable setup using it, a Raspberry Pi 5 with a 1TB m.2 SSD, 15" portable USB-C monitor and a Keychron low-profile keyboard and bluetooth mouse. Works amazingly well.
I'm betting that just about any controller would be worth a shot.
Not a course, as such, but reading “Measurement” by Paul Lockhart, of “A Mathematician’s Lament fame.
I’ve never read anything that so clearly communicates and leads you into a state of mind that COMPELS you to prove mathematical conjectures from first principles.
I found myself furiously sketching geometric proofs and simplifying algebraic conundrums with an enthusiasm I haven’t experienced in decades.
And a course on sewing for beginners and continuing Japanese.
Would be VERY interested in having visualizations of Apple Music data. I've had 20+ years to build up pretty significant play history.
Certainly being able to look into every type of health data would yield interesting insights.
One minor thing that does bug me: US date format. Probably be better to default to whatever short-date format is the user's preference in iOS. Same goes for metric/imperial.
This is gonna sound a bit corny, but it impacted me for reasons that will become clear: "1984", by George Orwell.
I was 13 at the time, and I was lucky enough to have a passionate English teacher that gave us challenging books to review. I chose "1984". It was the first book I'd read, up to that point, that didn't have a "Hollywood ending". The hero didn't save the day and get the girl… just the victory of tyranny over individualism. Admittedly, I had read a lot of crap, up till then.
As the leader directly tells Winston (i.e. you, the reader): "If you want a picture of the future, think of a boot stamping on a human face - forever."
I was gripped by the writing up till the very last words, then a panic set in… I thought that there were pages missing… I literally checked that someone hadn't torn out the last chapter where everything is made right again. No. There was no liberation. I sat stunned for the better part of an hour.
"The Dispossessed" by Ursula le Guin: never have I experienced the idea of a working anarchism described in such a genuinely coherent form.
My immediate thought after reading the question was also the very last sentence of 1984. It was the first time that a book caused me to feel a deeply visceral, lasting emotional response. Reading through the first 99% of the book, I found it a well written and engaging book, but all of that just lead up to the very last sentence. It absolutely hit me like a truck. I also just sat stunned after finishing the book.
This is remarkably similar to Calca.app, which I still use occasionally. http://calca.io/
I love that yours is web based! Can see it being much more reusable in a number of use-cases.
Calca was originally MacOS/iOS, but has since been ported to Windows.
I think that the notation in Calca to use a `=>` to display results maybe adds a bit more clarity to the math expressions, but your display style seems to work pretty well too.
The only advantage Calca seems to have is they’ve had almost a decade to add things like extra functions (compound interest, trig, …), constants, operators, etc.
I’ve always thought that style of simple but highly visible calculation is a far superior alternative to spreadsheets. Jupyter, LiveBook, Mathematica, etc… have shown that it works, but the world is still enamored with Excel, despite its propensity to hide mistakes.
A squib is what they use in movies to make something look like it’s been shot with a bullet. Kinda a little flat firework that ejects “stuff” explosively. Actors wear them under their costumes. They’re usually remote controlled
https://www.numark.com/product/dj2go2-touch
I've got a cute little portable setup using it, a Raspberry Pi 5 with a 1TB m.2 SSD, 15" portable USB-C monitor and a Keychron low-profile keyboard and bluetooth mouse. Works amazingly well.
I'm betting that just about any controller would be worth a shot.