Arguments

number  any integer or double number

Return

integer or double number, depending on input argument(s)

Example

(- 22 10 11)  returns 1
(- 22 10 11.0)  returns 1.0
(- 11)  returns -11
(- 11.0)  returns -11.0

Remarks

if no argument is specified, 0 will be returned;
if only 1 argument is specified, that number is subtracted from 0