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Re:AsciiMath: An easy-to-write markup language for mathematics by KirillPanov on Tuesday January 24, 2023 @03:21AM (#34500938)
∑√

These keys aren't on my keyboard.

If they're on your keyboard, just reprogram them to emit `sum` and `sqrt` respectively.

Unicode is for viewing; keyboard locales are for inputting. We're never going to have 2^32 keys on our keyboards.

Re:AsciiMath: An easy-to-write markup language for mathematics by maxnoe on Tuesday January 24, 2023 @03:28AM (#34501000)
Use the power of combinatorics! 26 keys offer 18252 2 letter + three letter combinations.

Using special chars even more.

Compose key is memetic and easy to use on all operating systems.

Re:AsciiMath: An easy-to-write markup language for mathematics by eviks on Tuesday January 24, 2023 @07:00AM (#34502518)
>Unicode is for viewing

So? That's exactly what ∑√ allows you to do: view these nicer chars instead of the verbose/ugly names

> We're never going to have 2^32 keys on our keyboards.

And how is this relevant? You don't need 2^32, a much smaller number would suffice. Just read the posted link and count the number of rows - that's closer to your upper limit