'⍼' is a symbol included in fonts for mathematical symbols. For example, if you expand the '⍼' included in the mathematical formula / chemical formula font 'Cambria Math', it looks like this. It is a ...

Sufficient conditions are found for the existence of nontrivial invariant subspaces for Toeplitz operators with piecewise continuous symbols. The results are obtained by estimating the norm of the ...

Twitter’s new logo is a Unicode character from a math alphabets subset. The previous logo was refined over more than a decade and heavily regulated online. The “Twitter X” dates back to 2001 as part ...

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Unicode is a massive, sprawling effort that pairs a number to every unique character in a language, every punctuation mark, every math symbol, and much more. And nearly all of it is available within ...

In putting together my Nebulous Notes macros, I ended up having to choose icons for the buttons that would sit on top of my keyboard. As you can see from my screenshots, I’m using specific Unicode ...