math symbols in unicode (grouped by purpose)

Kenneth Tilton kentilton at gmail.com
Sun Aug 15 16:38:17 CEST 2010


On 8/13/2010 5:18 PM, Xah Lee wrote:
> some collection of math symbols in unicode.
>
> • Math Symbols in Unicode
>    http://xahlee.org/comp/unicode_math_operators.html

I am surprised you do not include the numeric character codes.

kt

>
> • Arrows in Unicode
>    http://xahlee.org/comp/unicode_arrows.html
>
> • Matching Brackets in Unicode
>    http://xahlee.org/comp/unicode_matching_brackets.html
>
> these are grouped by the symbol's purpose as much as possible.
>
> i made them because i can't find unicode symbols grouped by purpose
> elsewhere.
>
> The unicode “plane ->  block” structure does not group symbols well,
> because the chars are added throughout the decades. Some symbols get
> added in one block, but later on related symbols get added elsewhere.
> For example, binary relational symbols are scattered in different
> unicode blocks. Same for binary operators, or all symbols used for set
> theory, etc. Sometimes a symbol has multiple uses in different math
> fields, so which block it gets added into unicode is not well defined.
>
> hope it's useful to some one.
>
>    Xah
>http://xahlee.org/
>
>

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