When we count pills, we use a simple device that has a flat part and a channel to count into. A hockey-stick-like spatula moves pills into the channel. The excess is poured back into the bottle the opposite way and the channel is then emptied into the bottle.
I count in multiples of 3 so I don't lose my place. The last number is unique for every 30.
If you count by threes, the ones place is unique until you pass each multiple of 30 - 3, 6, 9, _8, _1, _4, where was I? I hadn’t made it to 30, ends with a 4, must be 24. 27, 30, 33, _6…
Serves as a sort of checksum, as long as you know roughly how many you have and just the last digit.
I was a big Mac user. I had a IIcx and an LC, and I evangelized it even when apple stock was $0.95 and the wolves were at the door. I couldn't afford a PowerMac at the time, but I generally used them at the university when I could. I had a desk lamp iMac, then bought the first big screen iMac, which lasted me quite a while. I really liked everything up to Snow Leopard, probably a little beyond that, too.
But in a long time I haven't really enjoyed using the mac and I use other systems instead. They got rid of subpixel rendering and now text is blurry on my monitors. The interactions are much more of a chore. Features were removed from Preview and other apps that were better before. I quit using XCode for a few years and couldn't recognize it when I came back. So I use it maybe every 3-4 weeks now. I have no interest in buying another one.
I just don't know why they seem to be going out of their way to make the system unfriendly to existing users.
I loved Apple IIs at schools and libraries as a young child, fell in love with my Mac IIsi at home at the age of 7. Later, at 13, I had a Macintosh-evangelizing web site and mailing list that Guy Kawasaki (Apple's lead evangelist) even subscribed to.
I've been a primary Mac user through the 68k, PowerPC, Intel, and Apple Silicon days, from System 6.0.7 through today. Got an original iPhone and iPad, have upgraded my iPhone every few years since.
The technofeudalism, bugginess, and UI crappiness has me done and looking for the exits, to say nothing of the embrace of Trump. My next laptop won't be a Mac, and my next phone won't be an iPhone.
The best way is to set up samba on a Linux machine, even a raspberry pi, and create a domain. Then you can create group policy to turn off a lot of nonsense and set up your computer by connecting to the domain. No MS account required, although you can associate one of you like.
Windows feels like it has a lot of attrition from home users now and perhaps it is only a matter of time before it's no longer worth writing exclusive software for it.
Six year old me sent an idea to McDonnell Douglas for an airplane with turboprops to back up the jets in case of engine fire. There was also a fire suppression system. They sent me some nice brochures about the DC-8, -9, and -10, but looking back on it they could have mentioned that the jets are already redundant and will usually stop burning when the fuel is cut.
I hope they at least acknowledge that it was quite impressive for a six year old to understand the distinction between different types of engine and consider engine fires.
Anyway, YC's Heart Aerospace's intended commercial airframe design now does use a turboprop as a backup (for range extension beyond the capabilities of their battery electric engine), so six year old you was clearly onto something :)
Teenage me sent a letter to a US airline maintenance department asking why they don't put a one-directional fin on the landing gear tires to cause them to rotate in the air, so they wouldn't create as much smoke when they contact the runway. I don't remember what the reason was, but they wrote me back so I appreciated it.
I count in multiples of 3 so I don't lose my place. The last number is unique for every 30.
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