Cond

Cond may refer to:

• Condition number, in numerical analysis
• cond, a conditional expression in LISP, an example showing the signum function that returns -1 for a negative number, 0 for 0 and 1 for a positive number in LISP:^[1]

(cond
  ((minusp testnumber) -1)
  ((zerop testnumber)   0)
  (t                    1)
)

• Cond, a variant spelling of conn meaning to control a ship's movements at sea.
• predicates are evaluated one at a time until one evaluates to true ,the expression that follows the first predicate to be true is then returned as the value of cond.

References

1. LISP -- Control Structures