Comment Comment by mkl Most of them are because they have different meanings in maths, so this makes it easier to represent maths using Unicodemath [1] or MathML.[1] https://www.unicode.org/notes/tn28/UTN28-PlainTextMath-v3.1...., https://docs.microsoft.com/en-gb/archive/blogs/murrays/unico...Edit: [2] Similar for Latex https://www.ctan.org/pkg/unicode-math?lang=en parent mkl 6 years ago
[1] https://www.unicode.org/notes/tn28/UTN28-PlainTextMath-v3.1...., https://docs.microsoft.com/en-gb/archive/blogs/murrays/unico...
Edit: [2] Similar for Latex https://www.ctan.org/pkg/unicode-math?lang=en