/

(/ <z1> …) given two or more arguments / returns the quotient of its arguments, associating to the left.

Given one argument / returns the “multiplicative inverse” of its argument.

Passing no arguments is invalid (resulting in an error).

Example:

[1] (/)

ERROR!
  message   : argument-error
  irritant  : #<primitive-procedure cdr>
  expression: args
  continue  : possible, continue with value as value from primitive

Error (? for help) >> ^D
[2] (/ 2)
0.5
[3] (/ 5 2)
2.5
[4] (/ 8 2 2)
2
[5]