html ENTITIES Maths Symbol in Unicode

Decimal	Char Arial	Char Times	Hex	Remark	Unicode
⬰	⬰	⬰	⬰	left arrow with small circle	U+2B30;
⬱	⬱	⬱	⬱	three leftwards arrows	U+2B31;
⬲	⬲	⬲	⬲	left arrow with circled plus	U+2B32;
⬳	⬳	⬳	⬳	long leftwards squiggle arrow	U+2B33;
⬴	⬴	⬴	⬴	leftwards two-headed arrow with vertical stroke	U+2B34;
⬵	⬵	⬵	⬵	leftwards two-headed arrow with double vertical stroke	U+2B35;
⬶	⬶	⬶	⬶	leftwards two-headed arrow from bar	U+2B36;
⬷	⬷	⬷	⬷	leftwards two-headed triple dash arrow	U+2B37;
⬸	⬸	⬸	⬸	leftwards arrow with dotted stem	U+2B38;
⬹	⬹	⬹	⬹	leftwards arrow with tail with vertical stroke	U+2B39;
⬺	⬺	⬺	⬺	leftwards arrow with tail with double vertical stroke	U+2B3A;
⬻	⬻	⬻	⬻	leftwards two-headed arrow with tail	U+2B3B;
⬼	⬼	⬼	⬼	leftwards two-headed arrow with tail with vertical stroke	U+2B3C;
⬽	⬽	⬽	⬽	leftwards two-headed arrow with tail with double vertical stroke	U+2B3D;
⬾	⬾	⬾	⬾	leftwards arrow through x	U+2B3E;
⬿	⬿	⬿	⬿	wave arrow pointing directly left	U+2B3F;
⭀	⭀	⭀	⭀	equals sign above leftwards arrow	U+2B40;
⭁	⭁	⭁	⭁	reverse tilde operator above leftwards arrow	U+2B41;
⭂	⭂	⭂	⭂	leftwards arrow above reverse almost equal to	U+2B42;
⭃	⭃	⭃	⭃	rightwards arrow through greater-than	U+2B43;
⭄	⭄	⭄	⭄	rightwards arrow through superset	U+2B44;
⭇	⭇	⭇	⭇	reverse tilde operator above rightwards arrow	U+2B47;
⭈	⭈	⭈	⭈	rightwards arrow above reverse almost equal to	U+2B48;
⭉	⭉	⭉	⭉	tilde operator above leftwards arrow	U+2B49;
⭊	⭊	⭊	⭊	leftwards arrow above almost equal to	U+2B4A;
⭋	⭋	⭋	⭋	leftwards arrow above reverse tilde operator	U+2B4B;
⭌	⭌	⭌	⭌	rightwards arrow above reverse tilde operator	U+2B4C;
﬩	﬩	﬩	﬩	hebrew letter alternative plus sign	U+FB29;
﹢	﹢	﹢	﹢	small plus sign	U+FE62;
﹤	﹤	﹤	﹤	small less-than sign	U+FE64;
﹥	﹥	﹥	﹥	small greater-than sign	U+FE65;
﹦	﹦	﹦	﹦	small equals sign	U+FE66;
＋	＋	＋	＋	fullwidth plus sign	U+FF0B;
＜	＜	＜	＜	fullwidth less-than sign	U+FF1C;
＝	＝	＝	＝	fullwidth equals sign	U+FF1D;
＞	＞	＞	＞	fullwidth greater-than sign	U+FF1E;
｜	｜	｜	｜	fullwidth vertical line	U+FF5C;
～	～	～	～	fullwidth tilde	U+FF5E;
￢	￢	￢	￢	fullwidth not sign	U+FFE2;
￩	￩	￩	￩	halfwidth leftwards arrow	U+FFE9;
￪	￪	￪	￪	halfwidth upwards arrow	U+FFEA;
￫	￫	￫	￫	halfwidth rightwards arrow	U+FFEB;
￬	￬	￬	￬	halfwidth downwards arrow	U+FFEC;
𝛁	𝛁	𝛁	𝛁	mathematical bold nabla	U+1D6C1;
𝛛	𝛛	𝛛	𝛛	mathematical bold partial differential	U+1D6DB;
𝛻	𝛻	𝛻	𝛻	mathematical italic nabla	U+1D6FB;
𝜕	𝜕	𝜕	𝜕	mathematical italic partial differential	U+1D715;
𝜵	𝜵	𝜵	𝜵	mathematical bold italic nabla	U+1D735;
𝝯	𝝯	𝝯	𝝯	mathematical sans-serif bold nabla	U+1D76F;
𝞉	𝞉	𝞉	𝞉	mathematical sans-serif bold partial differential	U+1D789;
𝞩	𝞩	𝞩	𝞩	mathematical sans-serif bold italic nabla	U+1D7A9;
𝟃	𝟃	𝟃	𝟃	mathematical sans-serif bold italic partial differential	U+1D7C3;
𞻰	𞻰	𞻰	𞻰	arabic mathematical operator meem with hah with tatweel	U+1EEF0;
𞻱	𞻱	𞻱	𞻱	arabic mathematical operator hah with dal	U+1EEF1;