Extended documentation for mathematical symbols & functions is here.

@minvoke macro m; followed by space-separated expressions
!prefix “not” operator
a!()at the end of a function name, ! indicates that a function modifies its argument(s)
#begin single line comment
#=begin multi-line comment (these are nestable)
=#end multi-line comment
$bitwise xor operator, string and expression interpolation
%remainder operator
^exponent operator
&bitwise and
&&short-circuiting boolean and
|bitwise or
||short-circuiting boolean or
*multiply, or matrix multiply
()the empty tuple
~bitwise not operator
\backslash operator
'complex transpose operator AH
a[]array indexing
[,]vertical concatenation
[;]also vertical concatenation
[  ]with space-separated expressions, horizontal concatenation
T{}parametric type instantiation
{  }construct a cell array (deprecated in 0.4 in favor of Any[])
;statement separator
,separate function arguments or tuple components
?3-argument conditional operator (conditional ? if_true : if_false)
""delimit string literals
''delimit character literals
``delimit external process (command) specifications
...splice arguments into a function call or declare a varargs function or type
.access named fields in objects or names inside modules, also prefixes elementwise operators
a:brange a, a+1, a+2, ..., b
a:s:brange a, a+s, a+2s, ..., b
:index an entire dimension (1:end)
::type annotation, depending on context
:()quoted expression
:asymbol a