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Mathematical Operators (Unicode block)
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<h2 id="block">Block</h2> <table><tbody><tr><td colspan="17">Mathematical Operators[1]<a href="https://www.unicode.org/charts/PDF/U2200.pdf">Official Unicode Consortium code chart</a> (PDF)</td></tr><tr><td> </td><td>0</td><td>1</td><td>2</td><td>3</td><td>4</td><td>5</td><td>6</td><td>7</td><td>8</td><td>9</td><td>A</td><td>B</td><td>C</td><td>D</td><td>E</td><td>F</td></tr><tr><td>U+220x</td><td><a href="/facts/%25E2%2588%2580/rQkbGGna">∀</a></td><td><a href="/facts/%25E2%2588%2581/rQkbGGna">∁</a></td><td><a href="/facts/Partial_derivative/JWHsBkAu"> ∂</a></td><td><a href="/facts/%25E2%2588%2583/hHveaBYo">∃</a></td><td><a href="/facts/%25E2%2588%2584/hHveaBYo">∄</a></td><td><a href="/facts/%25E2%2588%2585/ffEk3eA6">∅</a></td><td><a href="/facts/%25E2%2588%2586_(disambiguation)/IMJtHL5s"> ∆</a></td><td><a href="/facts/%25E2%2588%2587/NtcnUmyW">∇</a></td><td><a href="/facts/%25E2%2588%2588/Q2mx1vHL">∈</a></td><td><a href="/facts/%25E2%2588%2589/Q2mx1vHL">∉</a></td><td><a href="/facts/%25E2%2588%258A/Q2mx1vHL">∊</a></td><td><a href="/facts/%25E2%2588%258B/Q2mx1vHL">∋</a></td><td><a href="/facts/%25E2%2588%258C/Q2mx1vHL">∌</a></td><td><a href="/facts/%25E2%2588%258D/Q2mx1vHL">∍</a></td><td><a href="/facts/%25E2%2588%258E/5SuuaIrc">∎</a></td><td><a href="/facts/%25E2%2588%258F/VtcUjpNv">∏</a></td></tr><tr><td>U+221x</td><td><a href="/facts/%25E2%2588%2590/0bJ8SCdu">∐</a></td><td><a href="/facts/%25E2%2588%2591/DWcCDzou">∑</a></td><td><a href="/facts/%25E2%2588%2592/6RJD4Xt9">−</a></td><td><a href="/facts/%25E2%2588%2593/cAP8AgPH">∓</a></td><td><a href="/facts/%25E2%2588%2594/Sp0AlNMI">∔</a></td><td><a href="/facts/%25E2%2588%2595/fuaRyKzc">∕</a></td><td><a href="/facts/%25E2%2588%2596/SoV79KPp">∖</a></td><td><a href="/facts/%25E2%2588%2597/qwmtPW5V">∗</a></td><td><a href="/facts/%25E2%2588%2598/r5Pvnmth">∘</a></td><td><a href="/facts/%25E2%2588%2599/DyPRSa50">∙</a></td><td><a href="/facts/%25E2%2588%259A/jfKTFjtG">√</a></td><td><a href="/facts/%25E2%2588%259B/jfKTFjtG">∛</a></td><td><a href="/facts/%25E2%2588%259C/jfKTFjtG">∜</a></td><td><a href="/facts/%25E2%2588%259D/xDQmfh6t">∝</a></td><td><a href="/facts/%25E2%2588%259E/xwR5xyT2">∞</a></td><td><a href="/facts/%25E2%2588%259F/psaslRq7">∟</a></td></tr><tr><td>U+222x</td><td><a href="/facts/%25E2%2588%25A0/gFUTEQYq">∠</a></td><td><a href="/facts/%25E2%2588%25A1/gFUTEQYq">∡</a></td><td><a href="/facts/%25E2%2588%25A2/gFUTEQYq">∢</a></td><td><a href="/facts/%25E2%2588%25A3/DKNa2GvC">∣</a></td><td><a href="/facts/%25E2%2588%25A4/rQkbGGna">∤</a></td><td><a href="/facts/%25E2%2588%25A5/16r5yq7D">∥</a></td><td><a href="/facts/%25E2%2588%25A6/16r5yq7D">∦</a></td><td><a href="/facts/%25E2%2588%25A7/fkN76mkJ">∧</a></td><td><a href="/facts/%25E2%2588%25A8/XX5LnH2H">∨</a></td><td><a href="/facts/%25E2%2588%25A9/RPfUNJh9">∩</a></td><td><a href="/facts/%25E2%2588%25AA/KVVXKfWl">∪</a></td><td><a href="/facts/%25E2%2588%25AB/F7tlYEmF">∫</a></td><td><a href="/facts/%25E2%2588%25AC/Fvl3Bkam">∬</a></td><td><a href="/facts/%25E2%2588%25AD/Fvl3Bkam">∭</a></td><td><a href="/facts/%25E2%2588%25AE/10s4B3Nn">∮</a></td><td><a href="/facts/%25E2%2588%25AF/oPk5IRI1">∯</a></td></tr><tr><td>U+223x</td><td><a href="/facts/%25E2%2588%25B0/0fHWrQe7">∰</a></td><td><a href="/facts/%25E2%2588%25B1/F7tlYEmF">∱</a></td><td><a href="/facts/%25E2%2588%25B2/F7tlYEmF">∲</a></td><td><a href="/facts/%25E2%2588%25B3/F7tlYEmF">∳</a></td><td><a href="/facts/%25E2%2588%25B4/UhQoyVY1">∴</a></td><td><a href="/facts/%25E2%2588%25B5/UhQoyVY1">∵</a></td><td><a href="/facts/%25E2%2588%25B6/mFmhQt7T">∶</a></td><td><a href="/facts/%25E2%2588%25B7/xDQmfh6t">∷</a></td><td><a href="/facts/%25E2%2588%25B8/tTqUwnbL">∸</a></td><td><a href="/facts/%25E2%2588%25B9/3G3Fhk2h">∹</a></td><td><a href="/facts/%25E2%2588%25BA/xDQmfh6t">∺</a></td><td><a href="/facts/%25E2%2588%25BB/WUmuRuzC">∻</a></td><td><a href="/facts/%25E2%2588%25BC/wQTx6ytR">∼</a></td><td><a href="/facts/%25E2%2588%25BD/LvYHsXzq">∽</a></td><td><a href="/facts/%25E2%2588%25BE/wydbcscW">∾</a></td><td><a href="/facts/%25E2%2588%25BF/mD1CB09M">∿</a></td></tr><tr><td>U+224x</td><td><a href="/facts/%25E2%2589%2580/zNNX9Q9G">≀</a></td><td><a href="/facts/%25E2%2589%2581/xDQmfh6t">≁</a></td><td><a href="/facts/%25E2%2589%2582/zkmCvw6Y">≂</a></td><td><a href="/facts/%25E2%2589%2583/kt87qLpu">≃</a></td><td><a href="/facts/%25E2%2589%2584/kt87qLpu">≄</a></td><td><a href="/facts/Congruence_(geometry)/2tKJ6AhB"> ≅</a></td><td><a href="/facts/Approximation/LvYHsXzq"> ≆</a></td><td><a href="/facts/%25E2%2589%2587/qkze4zdI">≇</a></td><td><a href="/facts/%25E2%2589%2588/LvYHsXzq">≈</a></td><td><a href="/facts/%25E2%2589%2589/LvYHsXzq">≉</a></td><td><a href="/facts/%25E2%2589%258A/LvYHsXzq">≊</a></td><td><a href="/facts/%25E2%2589%258B/2tKJ6AhB">≋</a></td><td><a href="/facts/%25E2%2589%258C/AweYSg9h">≌</a></td><td><a href="/facts/%25E2%2589%258D/1MQ5rtkW">≍</a></td><td><a href="/facts/%25E2%2589%258E/1MQ5rtkW">≎</a></td><td><a href="/facts/Approximation/LvYHsXzq"> ≏</a></td></tr><tr><td>U+225x</td><td><a href="/facts/%25E2%2589%2590/LvYHsXzq">≐</a></td><td><a href="/facts/%25E2%2589%2591/1MQ5rtkW">≑</a></td><td><a href="/facts/%25E2%2589%2592/LvYHsXzq">≒</a></td><td><a href="/facts/%25E2%2589%2593/LvYHsXzq">≓</a></td><td><a href="/facts/%25E2%2589%2594/AweYSg9h">≔</a></td><td><a href="/facts/%25E2%2589%2595/AweYSg9h">≕</a></td><td><a href="/facts/%25E2%2589%2596/AweYSg9h">≖</a></td><td><a href="/facts/%25E2%2589%2597/AweYSg9h">≗</a></td><td><a href="/facts/%25E2%2589%2598/AweYSg9h">≘</a></td><td><a href="/facts/%25E2%2589%2599/r9BwGgaK">≙</a></td><td><a href="/facts/Equiangular_polygon/Cuo92HxJ"> ≚</a></td><td><a href="/facts/%25E2%2589%259B/gpdYrcFK">≛</a></td><td><a href="/facts/%25E2%2589%259C/rQkbGGna">≜</a></td><td><a href="/facts/%25E2%2589%259D/5SlGKKDJ">≝</a></td><td><a href="/facts/%25E2%2589%259E/AweYSg9h">≞</a></td><td><a href="/facts/%25E2%2589%259F/0D8z1rxr">≟</a></td></tr><tr><td>U+226x</td><td><a href="/facts/%25E2%2589%25A0/BuBq2Bwb">≠</a></td><td><a href="/facts/Triple_bar/txReSBs4"> ≡</a></td><td><a href="/facts/%25E2%2589%25A2/txReSBs4">≢</a></td><td><a href="/facts/%25E2%2589%25A3/l61MMldu">≣</a></td><td><a href="/facts/Inequality_(mathematics)/qkze4zdI"> ≤</a></td><td><a href="/facts/%25E2%2589%25A5/qkze4zdI">≥</a></td><td><a href="/facts/%25E2%2589%25A6/qkze4zdI">≦</a></td><td><a href="/facts/%25E2%2589%25A7/qkze4zdI">≧</a></td><td><a href="/facts/%25E2%2589%25A8/qkze4zdI">≨</a></td><td><a href="/facts/%25E2%2589%25A9/qkze4zdI">≩</a></td><td><a href="/facts/%25E2%2589%25AA/qkze4zdI">≪</a></td><td><a href="/facts/%25E2%2589%25AB/qkze4zdI">≫</a></td><td><a href="/facts/%25E2%2589%25AC/gEYEqaJU">≬</a></td><td><a href="/facts/%25E2%2589%25AD/1MQ5rtkW">≭</a></td><td><a href="/facts/%25E2%2589%25AE/qkze4zdI">≮</a></td><td><a href="/facts/%25E2%2589%25AF/qkze4zdI">≯</a></td></tr><tr><td>U+227x</td><td><a href="/facts/%25E2%2589%25B0/qkze4zdI">≰</a></td><td><a href="/facts/%25E2%2589%25B1/qkze4zdI">≱</a></td><td><a href="/facts/%25E2%2589%25B2/qkze4zdI">≲</a></td><td><a href="/facts/%25E2%2589%25B3/qkze4zdI">≳</a></td><td><a href="/facts/%25E2%2589%25B4/LvYHsXzq">≴</a></td><td><a href="/facts/%25E2%2589%25B5/qkze4zdI">≵</a></td><td><a href="/facts/%25E2%2589%25B6/qkze4zdI">≶</a></td><td><a href="/facts/%25E2%2589%25B7/qkze4zdI">≷</a></td><td><a href="/facts/%25E2%2589%25B8/qkze4zdI">≸</a></td><td><a href="/facts/%25E2%2589%25B9/qkze4zdI">≹</a></td><td><a href="/facts/%25E2%2589%25BA/qtcUz22e">≺</a></td><td><a href="/facts/%25E2%2589%25BB/qtcUz22e">≻</a></td><td><a href="/facts/%25E2%2589%25BC/qtcUz22e">≼</a></td><td><a href="/facts/%25E2%2589%25BD/qtcUz22e">≽</a></td><td><a href="/facts/%25E2%2589%25BE/qtcUz22e">≾</a></td><td><a href="/facts/%25E2%2589%25BF/qtcUz22e">≿</a></td></tr><tr><td>U+228x</td><td><a href="/facts/%25E2%258A%2580/qtcUz22e">⊀</a></td><td><a href="/facts/%25E2%258A%2581/qtcUz22e">⊁</a></td><td><a href="/facts/%25E2%258A%2582/SJGERmbA">⊂</a></td><td><a href="/facts/%25E2%258A%2583/SJGERmbA">⊃</a></td><td><a href="/facts/%25E2%258A%2584/SJGERmbA">⊄</a></td><td><a href="/facts/%25E2%258A%2585/SJGERmbA">⊅</a></td><td><a href="/facts/%25E2%258A%2586/SJGERmbA">⊆</a></td><td><a href="/facts/%25E2%258A%2587/SJGERmbA">⊇</a></td><td><a href="/facts/%25E2%258A%2588/SJGERmbA">⊈</a></td><td><a href="/facts/%25E2%258A%2589/SJGERmbA">⊉</a></td><td><a href="/facts/%25E2%258A%258A/SJGERmbA">⊊</a></td><td><a href="/facts/%25E2%258A%258B/SJGERmbA">⊋</a></td><td><a href="/facts/%25E2%258A%258C/bPFJGMDo">⊌</a></td><td><a href="/facts/%25E2%258A%258D/bPFJGMDo">⊍</a></td><td><a href="/facts/%25E2%258A%258E/bPFJGMDo">⊎</a></td><td><a href="/facts/%25E2%258A%258F/ndbbClo0">⊏</a></td></tr><tr><td>U+229x</td><td><a href="/facts/%25E2%258A%2590/sH2MomLf">⊐</a></td><td><a href="/facts/%25E2%258A%2591/FX4HDGFy">⊑</a></td><td><a href="/facts/%25E2%258A%2592/IAPUfNgz">⊒</a></td><td><a href="/facts/%25E2%258A%2593/99HNp0W6">⊓</a></td><td><a href="/facts/%25E2%258A%2594/x9QSfkr5">⊔</a></td><td><a href="/facts/%25E2%258A%2595_(disambiguation)/vauM5Sy9">⊕</a></td><td><a href="/facts/%25E2%258A%2596_(disambiguation)/qttJgfNW">⊖</a></td><td><a href="/facts/%25E2%258A%2597/7K3pR1ap">⊗</a></td><td><a href="/facts/%25E2%258A%2598/FqLKNkmq">⊘</a></td><td><a href="/facts/XNOR_gate/LW793PwY">⊙</a></td><td><a href="/facts/%25E2%258A%259A/DyPRSa50">⊚</a></td><td><a href="/facts/%25E2%258A%259B/qwmtPW5V">⊛</a></td><td><a href="/facts/%25E2%258A%259C/AQCuumLg">⊜</a></td><td><a href="/facts/%25E2%258A%259D/r9nSh7GK">⊝</a></td><td><a href="/facts/%25E2%258A%259E/N8sebKEI">⊞</a></td><td><a href="/facts/%25E2%258A%259F/6RJD4Xt9">⊟</a></td></tr><tr><td>U+22Ax</td><td><a href="/facts/%25E2%258A%25A0/XtsHgIbs">⊠</a></td><td><a href="/facts/%25E2%258A%25A1/N8sebKEI">⊡</a></td><td><a href="/facts/%25E2%258A%25A2/AkqjsxHk">⊢</a></td><td><a href="/facts/%25E2%258A%25A3/bJ1P7AN2">⊣</a></td><td><a href="/facts/%25E2%258A%25A4/VhzVI4mb">⊤</a></td><td><a href="/facts/%25E2%258A%25A5/VmTneoCG">⊥</a></td><td><a href="/facts/%25E2%258A%25A6/AkqjsxHk">⊦</a></td><td><a href="/facts/%25E2%258A%25A7/AyDXp4dn">⊧</a></td><td><a href="/facts/%25E2%258A%25A8/XvTEjFWW">⊨</a></td><td><a href="/facts/%25E2%258A%25A9/3vMqqKcq">⊩</a></td><td><a href="/facts/%25E2%258A%25AA/8lV3Rs6P">⊪</a></td><td><a href="/facts/%25E2%258A%25AB/GMCbECTN">⊫</a></td><td><a href="/facts/%25E2%258A%25AC/ACMpM80Q">⊬</a></td><td><a href="/facts/%25E2%258A%25AD/XvTEjFWW">⊭</a></td><td><a href="/facts/%25E2%258A%25AE/b8qDuXqL">⊮</a></td><td><a href="/facts/%25E2%258A%25AF/4dW43oSR">⊯</a></td></tr><tr><td>U+22Bx</td><td><a href="/facts/%25E2%258A%25B0/qtcUz22e">⊰</a></td><td><a href="/facts/%25E2%258A%25B1/qtcUz22e">⊱</a></td><td><a href="/facts/%25E2%258A%25B2/aRDaGwLm">⊲</a></td><td><a href="/facts/%25E2%258A%25B3/aRDaGwLm">⊳</a></td><td><a href="/facts/%25E2%258A%25B4/aRDaGwLm">⊴</a></td><td><a href="/facts/%25E2%258A%25B5/aRDaGwLm">⊵</a></td><td><a href="/facts/%25E2%258A%25B6/pIsPts89">⊶</a></td><td><a href="/facts/%25E2%258A%25B7/ve2TbBuT">⊷</a></td><td><a href="/facts/%25E2%258A%25B8/NmFxFRWh">⊸</a></td><td><a href="/facts/%25E2%258A%25B9/qArPblYo">⊹</a></td><td><a href="/facts/%25E2%258A%25BA/x1gBQ0Um">⊺</a></td><td><a href="/facts/%25E2%258A%25BB/FHyr7hGQ">⊻</a></td><td><a href="/facts/%25E2%258A%25BC/rpXH07u4">⊼</a></td><td><a href="/facts/%25E2%258A%25BD/HKhNW8Qc">⊽</a></td><td><a href="/facts/%25E2%258A%25BE/psaslRq7">⊾</a></td><td><a href="/facts/Right_triangle/dD6M9GAn"> ⊿</a></td></tr><tr><td>U+22Cx</td><td><a href="/facts/%25E2%258B%2580/62uyyn1d">⋀</a></td><td><a href="/facts/%25E2%258B%2581/jbI2EGlM">⋁</a></td><td><a href="/facts/%25E2%258B%2582/RPfUNJh9">⋂</a></td><td><a href="/facts/%25E2%258B%2583/KVVXKfWl">⋃</a></td><td><a href="/facts/%25E2%258B%2584/jVnmA88j">⋄</a></td><td><a href="/facts/%25E2%258B%2585/VtcUjpNv">⋅</a></td><td><a href="/facts/%25E2%258B%2586/gpdYrcFK">⋆</a></td><td><a href="/facts/%25E2%258B%2587/U6mT1ntq">⋇</a></td><td><a href="/facts/%25E2%258B%2588/7tjTFXdf">⋈</a></td><td><a href="/facts/%25E2%258B%2589/rQkbGGna">⋉</a></td><td><a href="/facts/%25E2%258B%258A/rQkbGGna">⋊</a></td><td><a href="/facts/%25E2%258B%258B/Uqf87k1I">⋋</a></td><td><a href="/facts/%25E2%258B%258C/Uqf87k1I">⋌</a></td><td><a href="/facts/%25E2%258B%258D/wQTx6ytR">⋍</a></td><td><a href="/facts/%25E2%258B%258E/62uyyn1d">⋎</a></td><td><a href="/facts/%25E2%258B%258F/62uyyn1d">⋏</a></td></tr><tr><td>U+22Dx</td><td><a href="/facts/%25E2%258B%2590/GBpVFJsL">⋐</a></td><td><a href="/facts/%25E2%258B%2591/fWHXw8QK">⋑</a></td><td><a href="/facts/%25E2%258B%2592/HwoFM9gz">⋒</a></td><td><a href="/facts/%25E2%258B%2593/Xf5xgohh">⋓</a></td><td><a href="/facts/%25E2%258B%2594/sC3I8bbn">⋔</a></td><td><a href="/facts/%25E2%258B%2595/16r5yq7D">⋕</a></td><td><a href="/facts/%25E2%258B%2596/l61MMldu">⋖</a></td><td><a href="/facts/%25E2%258B%2597/l61MMldu">⋗</a></td><td><a href="/facts/%25E2%258B%2598/l61MMldu">⋘</a></td><td><a href="/facts/%25E2%258B%2599/l61MMldu">⋙</a></td><td><a href="/facts/%25E2%258B%259A/l61MMldu">⋚</a></td><td><a href="/facts/%25E2%258B%259B/l61MMldu">⋛</a></td><td><a href="/facts/%25E2%258B%259C/l61MMldu">⋜</a></td><td><a href="/facts/%25E2%258B%259D/l61MMldu">⋝</a></td><td><a href="/facts/%25E2%258B%259E/qtcUz22e">⋞</a></td><td><a href="/facts/%25E2%258B%259F/qtcUz22e">⋟</a></td></tr><tr><td>U+22Ex</td><td><a href="/facts/%25E2%258B%25A0/qtcUz22e">⋠</a></td><td><a href="/facts/%25E2%258B%25A1/qtcUz22e">⋡</a></td><td><a href="/facts/%25E2%258B%25A2/HEw4r60V">⋢</a></td><td><a href="/facts/%25E2%258B%25A3/pJmE9WLH">⋣</a></td><td><a href="/facts/%25E2%258B%25A4/uY7zP5E1">⋤</a></td><td><a href="/facts/%25E2%258B%25A5/NAcUVgy8">⋥</a></td><td><a href="/facts/%25E2%258B%25A6/qkze4zdI">⋦</a></td><td><a href="/facts/%25E2%258B%25A7/qkze4zdI">⋧</a></td><td><a href="/facts/%25E2%258B%25A8/qtcUz22e">⋨</a></td><td><a href="/facts/%25E2%258B%25A9/qtcUz22e">⋩</a></td><td><a href="/facts/%25E2%258B%25AA/aRDaGwLm">⋪</a></td><td><a href="/facts/%25E2%258B%25AB/aRDaGwLm">⋫</a></td><td><a href="/facts/%25E2%258B%25AC/aRDaGwLm">⋬</a></td><td><a href="/facts/%25E2%258B%25AD/aRDaGwLm">⋭</a></td><td><a href="/facts/%25E2%258B%25AE/JgLA051B">⋮</a></td><td><a href="/facts/%25E2%258B%25AF/JgLA051B">⋯</a></td></tr><tr><td>U+22Fx</td><td><a href="/facts/%25E2%258B%25B0/JgLA051B">⋰</a></td><td><a href="/facts/%25E2%258B%25B1/JgLA051B">⋱</a></td><td>⋲</td><td>⋳</td><td>⋴</td><td><a href="/facts/%25E2%258B%25B5/q9wCrYKy">⋵</a></td><td>⋶</td><td>⋷</td><td>⋸</td><td>⋹</td><td><a href="/facts/%25E2%258B%25BA/GQszeEPu">⋺</a></td><td>⋻</td><td>⋼</td><td>⋽</td><td>⋾</td><td><a href="/facts/%25E2%258B%25BF/5mUjpTvv">⋿</a></td></tr><tr><td colspan="17">Notes1.^ As of Unicode version 16.0</td></tr></tbody></table> <h2 id="variation-sequences">Variation sequences</h2> <p>The Mathematical Operators block has sixteen variation sequences defined for <a href="/facts/Variant_form_(Unicode)/CjXhs89M">standardized variants</a>.<a class="footnote-ref" id="fnref:1" href="#fn:1"><sup>1</sup></a><a class="footnote-ref" id="fnref:2" href="#fn:2"><sup>2</sup></a> They use U+FE00 VARIATION SELECTOR-1 (VS01) to denote variant symbols (depending on the font): </p> Variation sequences<table><tbody><tr><th>Base character</th><th>Base</th><th>+VS01</th><th>Description</th></tr><tr><td>U+2205 EMPTY SET</td><td>∅</td><td>∅︀</td><td>zero with long diagonal stroke overlay form</td></tr><tr><td>U+2229 INTERSECTION</td><td>∩</td><td>∩︀</td><td>with serifs</td></tr><tr><td>U+222A UNION</td><td>∪</td><td>∪︀</td><td>with serifs</td></tr><tr><td>U+2268 LESS-THAN BUT NOT EQUAL TO</td><td>≨</td><td>≨︀</td><td>with vertical stroke</td></tr><tr><td>U+2269 GREATER-THAN BUT NOT EQUAL TO</td><td>≩</td><td>≩︀</td><td>with vertical stroke</td></tr><tr><td>U+2272 LESS-THAN OR EQUIVALENT TO</td><td>≲</td><td>≲︀</td><td>following the slant of the lower leg</td></tr><tr><td>U+2273 GREATER-THAN OR EQUIVALENT TO</td><td>≳</td><td>≳︀</td><td>following the slant of the lower leg</td></tr><tr><td>U+228A SUBSET OF WITH NOT EQUAL TO</td><td>⊊</td><td>⊊︀</td><td>with stroke through bottom members</td></tr><tr><td>U+228B SUPERSET OF WITH NOT EQUAL TO</td><td>⊋</td><td>⊋︀</td><td>with stroke through bottom members</td></tr><tr><td>U+2293 SQUARE CAP</td><td>⊓</td><td>⊓︀</td><td>with serifs</td></tr><tr><td>U+2294 SQUARE CUP</td><td>⊔</td><td>⊔︀</td><td>with serifs</td></tr><tr><td>U+2295 CIRCLED PLUS</td><td>⊕</td><td>⊕︀</td><td>with white rim</td></tr><tr><td>U+2297 CIRCLED TIMES</td><td>⊗</td><td>⊗︀</td><td>with white rim</td></tr><tr><td>U+229C CIRCLED EQUALS</td><td>⊜</td><td>⊜︀</td><td>with equal sign touching the circle</td></tr><tr><td>U+22DA LESS-THAN EQUAL TO OR GREATER-THAN</td><td>⋚</td><td>⋚︀</td><td>with slanted equal</td></tr><tr><td>U+22DB GREATER-THAN EQUAL TO OR LESS-THAN</td><td>⋛</td><td>⋛︀</td><td>with slanted equal</td></tr></tbody></table> <h2 id="history">History</h2> <p>The following Unicode-related documents record the purpose and process of defining specific characters in the Mathematical Operators block: </p> <table><tbody><tr><th><a href="/facts/Unicode/DDu3MfPV">Version</a></th><th>Final code points<a class="footnote-ref" id="fnref:3" href="#fn:3"><sup>3</sup></a></th><th>Count</th><th><a href="/facts/Unicode_Consortium/mJQClyDW">UTC</a> ID</th><th><a href="/facts/International_Committee_for_Information_Technology_Standards/CXq4JYfR">L2</a> ID</th><th><a href="/facts/ISO%2fIEC_JTC_1%2fSC_2/IcW7grUW">WG2</a> ID</th><th>Document</th></tr><tr><td rowspan="11">1.0.0</td><td rowspan="11">U+2200..22F1</td><td rowspan="11">242</td><td></td><td></td><td></td><td>(to be determined)</td></tr><tr><td><a href="https://www.unicode.org/L2/L1999-UTC/u1999-013.htm">UTC/1999-013</a></td><td></td><td></td><td>Karlsson, Kent (1999-05-27), <i>Tildes and micro sign decompositions</i></td></tr><tr><td></td><td><a href="https://www.unicode.org/L2/L1999/99176.htm">L2/99-176R</a></td><td></td><td>Moore, Lisa (1999-11-04), "Not Tilde", <i>Minutes from the joint UTC/L2 meeting in Seattle, June 8-10, 1999</i></td></tr><tr><td></td><td><a href="https://www.unicode.org/L2/L2000/00115.htm">L2/00-115R2</a></td><td></td><td>Moore, Lisa (2000-08-08), "Motion 83-M21", <i>Minutes Of UTC Meeting #83</i></td></tr><tr><td></td><td><a href="https://www.unicode.org/L2/L2001/01342-10646-1-FPDAM1-comment.pdf">L2/01-342</a></td><td></td><td>Suignard, Michel (2001-09-10), "T.9 B.1 List of combining characters/Variation selectors", <i>Comments accompanying the US positive vote on the FPDAM 1 to ISO/IEC 10646-1:2001</i></td></tr><tr><td></td><td><a href="https://www.unicode.org/L2/L2007/07268-n3253.pdf">L2/07-268</a></td><td><a href="https://www.unicode.org/wg2/docs/n3253.pdf">N3253 (pdf</a>, <a href="https://www.unicode.org/wg2/docs/n3253.doc">doc</a>)</td><td>Umamaheswaran, V. S. (2007-07-26), "M50.7 (Math symbol glyph correction) [U+22C4]", <i>Unconfirmed minutes of WG 2 meeting 50, Frankfurt-am-Main, Germany; 2007-04-24/27</i></td></tr><tr><td></td><td><a href="https://www.unicode.org/L2/L2015/15268-slashed-zero.pdf">L2/15-268</a></td><td></td><td>Beeton, Barbara; Freytag, Asmus; Iancu, Laurențiu; Sargent, Murray (2015-10-30), <i>Proposal to Represent the Slashed Zero Variant of Empty Set</i></td></tr><tr><td></td><td><a href="https://www.unicode.org/L2/L2015/15254.htm">L2/15-254</a></td><td></td><td>Moore, Lisa (2015-11-16), "B.12.1.2 Proposal to Represent the Slashed Zero Variant of Empty Set", <i>UTC #145 Minutes</i></td></tr><tr><td></td><td><a href="https://www.unicode.org/L2/L2024/24173-middle-asterisk.pdf">L2/24-173</a></td><td></td><td>Pentzlin, Karl (2024-06-06), <i>Proposal to encode a Middle Asterisk as referred to in the German standard DIN 2137 [Affects U+2217]</i></td></tr><tr><td></td><td><a href="https://www.unicode.org/L2/L2024/24166-script-wg-rept.pdf">L2/24-166</a></td><td></td><td>Anderson, Deborah; Goregaokar, Manish; Kučera, Jan; Whistler, Ken; Pournader, Roozbeh; Constable, Peter (2024-07-18), "20. Middle Asterisk [Affects U+2217]", <i>Recommendations to UTC #180 July 2024 on Script Proposals</i></td></tr><tr><td></td><td><a href="https://www.unicode.org/L2/L2024/24159.htm">L2/24-159</a></td><td></td><td>Constable, Peter (2024-07-29), "Section 20. Middle Asterisk", <i>UTC #180 Minutes</i>, Consider adding an annotation to U+2217 that it may be used to represent the telephony asterisk</td></tr><tr><td rowspan="3">3.2</td><td rowspan="3">U+22F2..22FF</td><td rowspan="3">14</td><td></td><td><a href="https://www.unicode.org/L2/L2000/00119-math.pdf">L2/00-119</a><a class="footnote-ref" id="fnref:4" href="#fn:4"><sup>4</sup></a></td><td><a href="https://www.unicode.org/wg2/docs/n2191.pdf">N2191R</a></td><td>Whistler, Ken; Freytag, Asmus (2000-04-19), <i>Encoding Additional Mathematical Symbols in Unicode</i></td></tr><tr><td></td><td><a href="https://www.unicode.org/L2/L2000/00234-n2203m.pdf">L2/00-234</a></td><td><a href="https://www.unicode.org/wg2/docs/n2203.rtf">N2203 (rtf</a>, <a href="https://www.unicode.org/wg2/docs/n2203.txt">txt</a>)</td><td>Umamaheswaran, V. S. (2000-07-21), "8.18", <i>Minutes from the SC2/WG2 meeting in Beijing, 2000-03-21 -- 24</i></td></tr><tr><td></td><td><a href="https://www.unicode.org/L2/L2000/00115.htm">L2/00-115R2</a></td><td></td><td>Moore, Lisa (2000-08-08), "Motion 83-M11", <i>Minutes Of UTC Meeting #83</i></td></tr><tr><td colspan="7"></td></tr></tbody></table> <h2 id="see-also">See also</h2> <ul><li><a href="/facts/Mathematical_operators_and_symbols_in_Unicode/N8sebKEI">Mathematical operators and symbols in Unicode</a></li> <li><a href="/facts/Supplemental_Mathematical_Operators/8QMKckWf">Supplemental Mathematical Operators</a></li></ul> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>"Unicode Character Database: Standardized Variation Sequences". The Unicode Consortium. <a href="https://www.unicode.org/Public/UNIDATA/StandardizedVariants.txt" target="_blank">https://www.unicode.org/Public/UNIDATA/StandardizedVariants.txt</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>Whistler, Ken; Freytag, Asmus (2000-04-19), "Symbol variants defined using a Variation Selector", L2/00-119: Encoding Additional Mathematical Symbols in Unicode (PDF) <a href="https://www.unicode.org/L2/L2000/00119-math.pdf" target="_blank">https://www.unicode.org/L2/L2000/00119-math.pdf</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>Proposed code points and characters names may differ from final code points and names <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> <li id="fn:4"><p>Refer to the history section of the Miscellaneous Mathematical Symbols-B block for additional math-related documents <a href="/wiki/Miscellaneous_Mathematical_Symbols-B#History" target="_blank">/wiki/Miscellaneous_Mathematical_Symbols-B#History</a> <a href="#fnref:4" class="footnote-back-ref">↩</a></p></li> </ol>