All of these are measurable. I'm not sure what's the source of your confusion. Yes the terminology becomes a bit ambiguous unless we make up a new word/term for the tuple, but gender identity is just one dimension of it. It can be measured with a standardized questionnaire.
I like how you think but I'm not sure if that alone will hold water. A variable can vary wildly even though it's not very relevant to the property you're interested in, and PCA would consider such a variable to be very significant. Perhaps a neural network could find a latent space. But ideally we want the components to have some intuitive meaning for humans.
I've been thinking about this now and again. IMO gender, if one insists on tracking it at all (which I mostly find counterproductive), would need to be a vector / tuple of floating-point values. The components would be something like:
Sexual Development Index: Encodes chromosomal sex, genitalia, and other primary sexual characteristics (X/Y chromosome ratio).
Hormonal Balance & Secondary Sexual Characteristics: Combines hormonal levels and the resulting secondary traits (body hair, muscle mass, etc.).
Brain Structure: A dimension indicating how a person's brain structure aligns with typical male or female patterns.
Gender Identity: A measure of self-identified gender, representing the psychological and social dimension.
Fertility/Intersex Traits: A combined measure of fertility potential and the presence of intersex traits (e.g., ambiguous genitalia, mixed gonadal structures, etc.).
Ideally it would track the specific genes that code for all of the above factors, but unfortunately science hasn't got those down yet.
Funny you should say that because Lenovo made a laptop with an e-ink screen (as graciously linked by someone else in this thread) about a year ago. But it never came to my market, and I suspect this rollable one won't either. I don't think they're serious about selling any of these, it's just marketing gimmicks.
K: Likely for a "constant mode," where the calculator uses one operand as a constant for repeated >calculations (e.g., multiplying several numbers by the same value).
The other position is likely "normal mode," disabling this feature.
Middle Switch ("A/2/4/6" etc.):
This could control decimal rounding or precision:
"A" might stand for "automatic" mode.
"0, 2, 3, 4, 6" refers to the number of decimal places displayed or used in calculations.
"F" likely stands for "full precision," using all available decimal places.
Right Switch ("Σ" setting):
Σ: Likely enables a "summation mode," where the calculator automatically adds results to a running total (useful for bookkeeping or repetitive additions).
The other position disables this mode.
Being Swedish the "constant mode" seems likely as we often used k (for "konstant") in school math to represent a constant (e.g. for the slope of a line).
I wonder why is this kind of product so liable to enshittification. It's just a simple Electron GUI to edit and submit requests to a REST API. Much more complex software has worked fine for years as FOSS.
Philip K. Dick wrote a short story ("Autofac") in which autonomous, self-replicating factories continue to operate and produce goods long after a global war has wiped out most of humanity, and they eat up all remaining resources on earth in doing so. I worry that there's a system in which a few extremely rich people can continue thriving without involvement of most of humanity, and that they're (knowingly or unknowingly) moving society in that direction. Who needs the commoners when AI and algorithms can simulate them.
IIUC the calculation of GDP doesn't factor in whether the produced goods serve a human need - the system can in theory continue to optimize for ever-increasing GDP while every human on earth starves to death.
One year the entire family got a stomach flu over the Christmas holidays. The kids were around 3-6 years old and didn't know to throw up in a bucket in the night; they just vomited all over the bedsheets each time. We nearly ran out of sheets and had to load the washing machine in the middle of the night to keep up, while taking breaks to puke and shit. My diarrhea was so bad that my blood pressure dropped while sitting on the toilet, so immediately after dropping a load I had to lie down on the floor to avoid passing out, only to pull myself up seconds later to puke in the (now diarrhea-filled) toilet bowl. Meanwhile I hear the kids crying and puking outside and my then wife being pissed that I'm not helping.
All of these are measurable. I'm not sure what's the source of your confusion. Yes the terminology becomes a bit ambiguous unless we make up a new word/term for the tuple, but gender identity is just one dimension of it. It can be measured with a standardized questionnaire.