operational

adj 1: pertaining to a process or series of actions for achieving a

result; "operational difficulties"; "they assumed

their operational positions"

2: fit or ready for use or service; "the toaster was still

functional even after being dropped"; "the lawnmower is a

bit rusty but still usable"; "an operational aircraft";

"the dishwasher is now in wording order" [syn: {functional},

{usable}, {useable}, {in working order(p)}, {operable}]

3: (military) of or intended for or involved in military

operations [ant: {nonoperational}]

4: being in effect or operation; ; "de facto apartheid is still

operational even in the `new' African nations"- Leslie

Marmon Silko; "bus service is in operation during the

emergency"; "the company had several operating divisions"

[syn: {in operation(p)}, {operating(a)}]

rational

[Mathematics] a fractional number n/d, where n and d are

integers, n is the numerator and d is the denominator. The

set of all rational numbers is usually called Q.

Computers do not usually deal with rational numbers but

instead convert them to {real} numbers which are represented

(approximately in some cases) as {floating-point} numbers.

Compare {irrational}.