formulable
Formulable is an adjective used to describe something that can be expressed or described by a formula—a finite, symbolic expression built from a prescribed set of operations and symbols. In mathematics and related disciplines, a relation, function, sequence, or constant is formulable if there exists such a formula that computes its value from given inputs.
In mathematics, many objects are formulable: polynomials, rational functions, exponentials, logarithms, and trigonometric expressions can all
In computing and symbolic mathematics, formulable expressions are those that can be manipulated by algebraic rules.
Etymology and nuance: Formulable comes from form + able, indicating the ability to be expressed as a
See also: formula; closed form; symbolic computation; recursion; piecewise function.