The syntax of the Mathematica
language is unique among modern languages in allowing not just ordinary ASCII characters, but also a variety of special characters that greatly increase readability and elegance, as well as correspondence with traditional mathematical notation.
× \[Times] —
multiplication sign, automatically added between numbers, etc.
, = —
automatically converted from
alternative form equivalent to
→ \[Rule] —
automatically converted from ->
automatically converted from :>
part specification, entered using Esc [[ Esc
, Esc ]] Esc
separate a function and its argument, as in fx