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Julia allows the use of unicode variables and functions, which is pretty cool for scientific notation.they are written using latex shortcuts, and the REPL gives you how to write a symbol if you don't know how to do it

i regularly use Compose for unicode symbols, mostly stuff like ←↑↓→–≠ . it's not too clunky, for example "→" is "RAlt, -, >" in succession.

Yes.

Have one experimental mathy one and one silly one for parents.

Will post one of those soon.

I don’t like them unless the tooling is great. With proper tooling, it’s looking to be a very interesting new area of r and d.