1-
type: function (subr) location: built-in source file: xlmath.c Common LISP compatible: yes supported on: all machines
SYNTAX
(1- <expr> )
<expr> - integer or floating point number/expression
DESCRIPTION
The decrement (1-) function subtracts one from a number and returns the result.
EXAMPLES
(1- 1) ; returns 0 (1- 99.6) ; returns 98.6 (1- 1 2) ; error: too many arguments