rationalist

adj : of or relating to or characteristic of rationalism;

"rationalist philosophy"

n : someone who emphasizes observable facts and excludes

metaphysical speculation about origins or ultimate causes

[syn: {positivist}]

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}.