Is it amusing or sad that it took so many years for me to notice this peculiar, and quite possibly intentional thing about #braille? I only started figuring it out yesterday, rolling the new braille d20 around in my hands.
So, on this d20, numbers from 1 to 10 are represented with letters from a through j, and numbers from 11 to 20 with k through t.
K is an a but with the dot #3 on top. L is b but with dot #3. M is c but with dot #3. N-d, o-e, p-f, q-g, r-h, s-i, t-j.
The pattern is constant. The second 10 letters in the English braille alphabet are the same as the first 10, but with the dot #3 added on top. All of them!
@Alonealastalovedalongthe Well, it is and it isn't. Reading on paper is far more enjoyable exactly because of this, because of the feeling of multiple lines of text beneath your hands. It also gives a far better idea of text shape in regards to paragraphs and such.
But multi-line braille displays wouldn't be easy to combine with a keyboard in a way that was comfortable, and they'd be much less portable.
When using a braille display with a computer, you need it to not be too big so that you'll still be able to reach over it to the keyboard, and when using it alone as a note-taker (with braille input), you want it to be as portable as possible, so it can do its job of being a notepad well. so there likely wouldn't be enough interest in a multi-line braille display to justify producing it. These things are expensive.
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