\[Cap]
(Mathematica Character Name) Unicode: 2322. Infix operator. x ⌢ y is by default interpreted as Cap[x,y]. Used in pure mathematics to mean cap product. Sometimes used as an overscript to indicate arc ...
Unicode: 00E7. Alias: Esc c, Esc. Letter. Included in ISO Latin-1.
Unicode: 00B8. Alias: Esc cd Esc. Letter-like form. Used in an underscript position as a diacritical mark.
Unicode: 00B7. Alias: Esc . Esc. Infix operator. x · y is by default interpreted as CenterDot[x,y]. Used to indicate various forms of multiplication, particularly dot ...
Unicode: 22EF. Letter-like form. Used to indicate omitted elements in a row of a matrix.
\[Chi]
(Mathematica Character Name) Unicode: 03C7. Aliases: Esc ch Esc, Esc chi Esc, Esc c Esc. Greek letter.
Unicode: 2299. Alias: Esc c. Esc. Infix operator. x ⊙ y is by default interpreted as CircleDot[x,y]. Used in mathematics for various operations related to multiplication, ...
Unicode: 2232. Alias: Esc ccint Esc. Compound operator. ∲ f x is by default interpreted as ClockwiseContourIntegral[f,x].
Unicode: 2318. Alias: Esc cl Esc. Letter-like form. Used on Macintosh and other computers to indicate command keys.
Unicode: 2236. Alias: Esc : Esc. Infix operator. x ∶ y is by default interpreted as Colon[x,y]. Used in mathematics to mean 'such that'. Occasionally used to indicate ...