\[HeartSuit] (Mathematica Character Name)

Unicode: 2661. Letter-like form.

\[HermitianConjugate] (Mathematica Character Name)

Unicode: F3CE. Alias: Esc hc Esc. Superscript postfix operator with built-in evaluation rules. m^ is by default interpreted as ConjugateTranspose[m]. Not the same as ...

\[HorizontalLine] (Mathematica Character Name)

Unicode: 2500. Alias: Esc hline Esc. Letter-like form. Extensible character. Thickness can be adjusted using the SpanThickness option in StyleBox.

\[HumpDownHump] (Mathematica Character Name)

Unicode: 224E. Infix similarity operator. x ≎ y is by default interpreted as HumpDownHump[x,y]. Used to indicate geometrical equivalence.

\[HumpEqual] (Mathematica Character Name)

Unicode: 224F. Alias: Esc h= Esc. Infix similarity operator. x ≏ y is by default interpreted as HumpEqual[x,y]. Sometimes used to mean "approximately equal" and sometimes ...

\[Hyphen] (Mathematica Character Name)

Unicode: 2010. Alias: Esc hy Esc.

\[IAcute] (Mathematica Character Name)

Unicode: 00ED. Alias: Esc i' Esc. Letter. Included in ISO Latin-1.

\[ICup] (Mathematica Character Name)

Unicode: 012D. Alias: Esc iu Esc. Letter. Included in ISO Latin-2. Used in transliterations of Cyrillic characters.

\[IDoubleDot] (Mathematica Character Name)

Unicode: 00EF. Alias: Esc i" Esc. Letter. Included in ISO Latin-1.

\[IGrave] (Mathematica Character Name)

Unicode: 00EC. Alias: Esc i` Esc. Letter. Included in ISO Latin-1.