Commentary by Chris Pressey

This work is distributed under a CC-BY-ND-4.0 license, with the following explicit exception: the ratings may be freely used for any purpose with no limitations.

Character Sets

Mathematical operators and symbols in Unicode - Wikipedia

• rating: 1
• useful: true

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List of logic symbols - Wikipedia

• rating: 1
• useful: true

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Arrows (Unicode block) - Wikipedia

• rating: 1
• useful: true

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Unicode subscripts and superscripts - Wikipedia

• rating: 1
• useful: true

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A Spectre is Haunting Unicode

• rating: 2

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ASCII and Unicode quotation marks

• rating: 1

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Historical: How was Chinese written in telegrams and early computers?

• rating: 1

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