Editing 2606: Weird Unicode Math Symbols
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==Explanation== | ==Explanation== | ||
− | + | {{incomplete|Created by A SNAKE AVOIDING A BEE ON A WHITEBOARD - Please change this comment when editing this page. Do NOT delete this tag too soon.}} | |
− | + | This comic proposes joke explanations for various {{w|unicode symbols}} with obscure or no known uses. | |
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{| class="wikitable" | {| class="wikitable" | ||
|+ Symbols | |+ Symbols | ||
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| U+23E7 || <span style="font-size: xx-large;">⏧</span> || Electrical Intersection || Indicates where wires branch off || Traffic circle || Looks like a diagram of a {{w|roundabout}} as might be shown on a minimap beside a routing direction. | | U+23E7 || <span style="font-size: xx-large;">⏧</span> || Electrical Intersection || Indicates where wires branch off || Traffic circle || Looks like a diagram of a {{w|roundabout}} as might be shown on a minimap beside a routing direction. | ||
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− | | U+2A33 || <span style="font-size: xx-large;">⨳</span> || {{w|Smash product}} || The quotient | + | | U+2A33 || <span style="font-size: xx-large;">⨳</span> || {{w|Smash product}} || The quotient of the underlying spaces of two {{w|pointed space}}s, where points in the {{w|product spaces}} are identified if they contain either labeled point as an element. || <span style="letter-spacing: 0.1em;"><span style="transform: rotate(-45deg); display: table-cell;">H</span><span style="transform: rotate(-45deg); display: table-cell;">a</span><span style="transform: rotate(-45deg); display: table-cell;">s</span><span style="transform: rotate(-45deg); display: table-cell;">h</span><span style="transform: rotate(-45deg); display: table-cell;">t</span><span style="transform: rotate(-45deg); display: table-cell;">a</span><span style="transform: rotate(-45deg); display: table-cell;">g</span></span> || Looks somewhat like the {{w|Number sign|hash}} symbol (#) – commonly used for indicating tags called {{w|hashtag}}s in social media – turned by 45 degrees. |
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| U+2A7C || <span style="font-size: xx-large;">⩼</span> || Greater-Than with Question Mark Above || Used in proofs to indicate a greater-than relation that should exist but hasn't been proven yet (non-rigorous) || Confused alligator || One metaphor used when teaching inequality signs in primary school is that the sign looks like an alligator mouth "eating" the larger number. Question marks are commonly used in cartoons to indicate confusion on the part of a character. | | U+2A7C || <span style="font-size: xx-large;">⩼</span> || Greater-Than with Question Mark Above || Used in proofs to indicate a greater-than relation that should exist but hasn't been proven yet (non-rigorous) || Confused alligator || One metaphor used when teaching inequality signs in primary school is that the sign looks like an alligator mouth "eating" the larger number. Question marks are commonly used in cartoons to indicate confusion on the part of a character. | ||
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− | | U+299E || <span style="font-size: xx-large;">⦞</span> || Angle with S Inside || Plural for the angle symbol (∠) [https://www.quora.com/Unicode-How-is-the-s-in-triangle-glyph-used-in-mathematics][https://www.birdvilleschools.net/cms/lib2/TX01000797/Centricity/Domain/1114/Homework%20Helper%20Unit%203%20ch%209-10.pdf] rarely used || Snack || May look like a mouth eating an S, where the S symbolizes some snack food | + | | U+299E || <span style="font-size: xx-large;">⦞</span> || Angle with S Inside || Plural for the angle symbol (∠) [https://www.quora.com/Unicode-How-is-the-s-in-triangle-glyph-used-in-mathematics][https://www.birdvilleschools.net/cms/lib2/TX01000797/Centricity/Domain/1114/Homework%20Helper%20Unit%203%20ch%209-10.pdf] rarely used || Snack || May look like a mouth eating an S, where the S symbolizes some snack food. |
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| U+2A04 || <span style="font-size: xx-large;">⨄</span> || {{w|Arity|N-ary}} Union Operator with Plus || Disjoint union[https://books.google.com/books?id=531cAgAAQBAJ&pg=PA165&lpg=PA165&dq=%E2%A8%84&source=bl&ots=oYXkMNXP-T&sig=ACfU3U2QvMRBkD7uVG0OSumKI0JQtjTIKA&hl=en&sa=X&ved=2ahUKEwios862ypL3AhWXVTABHTnQALQQ6AF6BAgKEAM] (joining a family of sets that have no elements in common) || Drink refill || Looks like a cup with a plus to indicate adding drink to the cup. | | U+2A04 || <span style="font-size: xx-large;">⨄</span> || {{w|Arity|N-ary}} Union Operator with Plus || Disjoint union[https://books.google.com/books?id=531cAgAAQBAJ&pg=PA165&lpg=PA165&dq=%E2%A8%84&source=bl&ots=oYXkMNXP-T&sig=ACfU3U2QvMRBkD7uVG0OSumKI0JQtjTIKA&hl=en&sa=X&ved=2ahUKEwios862ypL3AhWXVTABHTnQALQQ6AF6BAgKEAM] (joining a family of sets that have no elements in common) || Drink refill || Looks like a cup with a plus to indicate adding drink to the cup. | ||
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− | | U+2B48 || <span style="font-size: xx-large;">⭈</span> || Rightwards Arrow Above Reverse Almost Equal To || Pairs with <span style="font-size: x-large;">⭂</span> which could conceivably mean {{w|Assignment (computer science)|assignment}} of an {{w|Approximation|approximation}}, but neither seem to be in use | + | | U+2B48 || <span style="font-size: xx-large;">⭈</span> || Rightwards Arrow Above Reverse Almost Equal To || Pairs with <span style="font-size: x-large;">⭂</span> which could conceivably mean {{w|Assignment (computer science)|assignment}} of an {{w|Approximation|approximation}}, but neither seem to be in use. || Snakes over there || Looks like two squiggles to represent snakes and an arrow indicating the direction where they may be found. |
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| U+225D || <span style="font-size: xx-large;">≝</span> || Equal To By Definition || Indicates an equation where the left side is to be defined as the right side[https://www.reddit.com/r/math/comments/1z1mty/can_someone_please_explain_the_equal_to_by/] usually used in proofs to indicate a definition is being introduced|| Definitely, for sure || "Def" is a contraction of "definitely" used in slang; the equal sign looks like a double underline, indicating heavy emphasis. | | U+225D || <span style="font-size: xx-large;">≝</span> || Equal To By Definition || Indicates an equation where the left side is to be defined as the right side[https://www.reddit.com/r/math/comments/1z1mty/can_someone_please_explain_the_equal_to_by/] usually used in proofs to indicate a definition is being introduced|| Definitely, for sure || "Def" is a contraction of "definitely" used in slang; the equal sign looks like a double underline, indicating heavy emphasis. | ||
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|| Snake || This symbol coils around like a long snake, with a tapering-off tail on one end and a small "head" on the other. | || Snake || This symbol coils around like a long snake, with a tapering-off tail on one end and a small "head" on the other. | ||
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− | | U+2AC1 || <span style="font-size: xx-large;">⫁</span> || Subset with Multiplication Sign Below || Indicates that one set is subset of another by means of | + | | U+2AC1 || <span style="font-size: xx-large;">⫁</span> || Subset with Multiplication Sign Below || Indicates that one set is subset of another by means of the cross product || <div style="writing-mode: vertical-rl; text-align: center;">User<br />experience</div> || Looks like the letters "Ux" sideways; UX is a common abbreviation for {{w|user experience}}. |
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| U+232D || <span style="font-size: xx-large;">⌭</span> || {{w|Cylindricity}} || A symbol used in geometric dimensioning and tolerancing (GD&T) to represent a parameter called "cylindricity" which describes the statistical deviation of an ensemble of surfaces from a reference cylinder. [https://cimquest-inc.com/metrology-minute-cylindricity/ example use] || Rolling dough between your hands to shape it into a ball || Looks like two flat hands (perhaps like stick-figure arms) rolling a ball between them. Rolling dough between one's hands to make it into a ball is an important step in making many kinds of pastry and bread. | | U+232D || <span style="font-size: xx-large;">⌭</span> || {{w|Cylindricity}} || A symbol used in geometric dimensioning and tolerancing (GD&T) to represent a parameter called "cylindricity" which describes the statistical deviation of an ensemble of surfaces from a reference cylinder. [https://cimquest-inc.com/metrology-minute-cylindricity/ example use] || Rolling dough between your hands to shape it into a ball || Looks like two flat hands (perhaps like stick-figure arms) rolling a ball between them. Rolling dough between one's hands to make it into a ball is an important step in making many kinds of pastry and bread. | ||
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+ | This comic may have been inspired by [https://ionathan.ch/2022/04/09/angzarr.html this blog post], which went viral (in a limited sense) the same day the comic was published. | ||
==Transcript== | ==Transcript== |