=
-
assignment
(
, )
-
in expressions, for indexed names and for argument lists
[
, ]
-
access operator for strings, integer vectors, ideals, matrices,
polynomials, resolutions, and lists. Used to build vectors of
polynomials. Example: s[3]
, m[1,3]
, i[1..3]
,
[f,g+x,0,0,1]
.
+
-
addition operator
-
-
subtraction operator
*
-
multiplication operator
/
-
division operator. See section Miscellaneous oddities, for the difference
between the division operators /
and div
.
%
-
modulo operator
^
or **
-
exponentiation operator
==
-
comparison operator equal
!=
or <>
-
comparison operator not equal
>=
-
comparison operator bigger or equal
>
-
comparison operator bigger
<=
-
comparison operator smaller or equal
<
-
comparison operator smaller. Also used for file input. See section filecmd.
!
-
boolean operator not
&&
-
boolean operator and
||
-
boolean operator or
"
-
delimiter for string constants
`
-
delimiter for name substitution
?
-
synonym for help
//
-
comment delimiter. Comment extends to end of line.
/*
-
comment delimiter. Starts a comment which ends with */
.
*/
-
comment delimiter. Ends a comment which starts with /*
.
;
-
statement separator
,
separator for expression lists and function arguments
\
-
escape character for "
and \
within strings
..
-
interval specifier returning intvec.
E.g., 1..3
which is equivalent to the intvec 1, 2, 3
.
_
-
value of expression last displayed
~
-
breakpoint in procedures
#
-
list of parameters in procedures without explicit parameter list
$
-
terminates SINGULAR