Definitions
from Wiktionary, Creative Commons Attribution/ShareAlike License
 adj. Capable of being computed.
 adj. algorithmically computable, i.e. able to be calculated by a Turing machine
from the GNU version of the Collaborative International Dictionary of English
 adj. Capable of being computed, numbered, or reckoned.
from The Century Dictionary and Cyclopedia
 Capable of being computed, numbered, or reckoned.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
 adj. may be computed or estimated
Etymologies
Examples

The computable real numbers are the real numbers specified in this way by * computable* functions.

These models are called "computable" because, unlike economic models that exist purely to prove theoretical points, it is possible to feed actual numbers into them and get numbers out the other end.
Ian Fletcher: Economists Are Hopelessly Naïve About International Trade

With Mathematica 6 we launched our concept of computable data: of making realworld data immediately available in computable form directly inside Mathematica.

Using builtin computable data sources, of course.

He used Mathematica’s builtin computable data function PolyhedronData to choose different polyhedra to insert at each point location, and wrapped everything in a Manipulate function to create an instant form generator.

Any device or organ whose internal processes can be described completely by means of effectively calculable functions can be simulated exactly by a Turing machine program (provided that the input into the device or organ is itself Turingmachinecomputable, which is to say, is either finite or expressible as a computable number, in Turing's sense (which is explained below)); but any device or organ whose mathematical description involves functions that are not effectively calculable cannot be so simulated.

It is fair to note that this effort  making sure that all of us have immediate access to personal health information in easytouse (i.e., electronic or "computable") format  is NOT the most important thing we need to achieve in health care right now.

The second boundary comes from the need, for a wellbehaved theory, to be "computable": a too large value of the Higgs mass makes the Higgs coupling "blow up" at large energies, such that the theory loses the property of being perturbatively calculable.

"computable" in the technical sense of being decidable or evaluable by the application of a rote procedure or algorithm.

Ricardo's ideas have been considerably elaborated since then, and they generally use sophisticated "computable general equilibrium" CGE computer models, built upon his work as the foundation, to assign actual dollar amounts to the purported benefits of free trade.
Ian Fletcher: Economists Are Hopelessly NaÃ¯ve About International Trade
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