LISP Functions ⤴
← (>=) (Greater than or equal to operator)

(1+)

(1-) →

(1+ number)

Add 1 to the number.

This function adds 1 to the number. You can use a real number or an integer. This function takes exactly one argument.

Examples

This expression Returns
(1+ 22) 23
(1+ 5.02) 6.02000
(1+ -36) -35

NOTE This function is useful as an increment counter.

Tell me about...

(+ number1 number2 ...)

(1- number)

(setq symbol1 statement1 [symbol2 statement2] ...)

LISP Compatibility

Programming Overview of LISP (LISt Processing) Language