Unicode: 00AE. Alias: Esc rtm Esc. Letter-like form. Used as a superscript to indicate a registered trademark such as Mathematica. Typically used only on the first occurrence ...

Unicode: 266F. Letter-like form. Used to denote musical notes. Sometimes used in mathematical notation, typically to indicate some form of numbering or indexing. Not the same ...

Unicode: 221A. Alias: Esc sqrt Esc. Prefix operator with built-in evaluation rules. √ x is by default interpreted as Sqrt[x]. Ctrl+@, Ctrl+2 or ∖@ yields a complete SqrtBox ...

Unicode: 228F. Infix set relation operator. x ⊏ y is by default interpreted as SquareSubset[x,y]. Used in computer science to indicate that x is a substring occurring at the ...

Unicode: 2290. Infix set relation operator. x ⊐ y is by default interpreted as SquareSuperset[x,y]. Used in computer science to indicate that x is a substring occurring at ...

Unicode: 2248. Alias: Esc ~~ Esc. Infix similarity operator. x ≈ y is by default interpreted as TildeTilde[x,y]. Used for various notions of approximate or asymptotic ...

Unicode: 2122. Alias: Esc tm Esc. Letter-like form. Used to indicate a trademark that may not be registered. Typically used only on the first occurrence of a trademark in a ...

Mathematica allows you to export graphics and sounds in a wide variety of formats. If you use the notebook front end for Mathematica, then you can typically just copy and ...

KnightTourGraph[m, n] gives a Knight's tour graph on an m*n chessboard.

PrivatePaths -> {opt_1 -> val_1, opt_2 -> val_2, ...} is a global option that specifies settings for paths private to the notebook front end.