** SM-65 Atlas, early model Atlas rocket

** The Wii is backward compatible with all games from the Nintendo GameCube, due to its being based on the PowerPC, the same base as the latter ; however, a " Family Edition " model released in North America and Europe in late 2011 removes GameCube support.

** IMR-2M1-Simplified model without the mine-clearing system.

** Commodore 64 ( or C64 or C = 64 ), an 8-bit home computer released by Commodore International in August 1982, the single best-selling personal computer model of all-time

** Langevin dynamics, a mathematical model for stochastic dynamics ; used in modeling molecules, yet also the stock market and other systems

** Symbolic dynamics, a method to model dynamical systems

** Filtering problem ( stochastic processes ), a mathematical model for a number of filtering problems in signal processing and the like

** model 1: 80x12

** model 2: 80 × 24

** model 3: 80 × 32 or 80x24 ( switchable )

** model 4: 80 × 43 or 80x24 ( switchable )

** model 5: 132 × 27 or 80 × 24 ( switchable )

** JK: The current version of the Wrangler, released as a 2007 model.

** WK2: The current version of the Grand Cherokee, released as a 2011 model.

** KK: The current version of the Liberty / Cherokee, released as a 2008 model.

** MK49: The current version of the Compass, released as a 2007 model.

** MK74: The current version of the Patriot, released as a 2007 model.

** Node ( linguistics ), a branch point in the Tree model, or Node Theory, of language evolution

** OSI model, a layered description for communications and computer network protocol design

** Addition of " S " model worldwide ( not available in North America until 1983 )

** Front & rear spoilers ( S model )

** Manual gearbox changed during model year requiring shorter torque tube.

** 205 " Weissach Edition " model for US market.

** 4. 5 " L " model dropped from production at end of 1982 model year.

** In order theory, see order automorphism.

** Microevolution: species — speciation — adaptation — selection — natural selection — directional selection — sexual selection — genetic drift — sexual reproduction — asexual reproduction — colony — allele frequency — neutral theory of molecular evolution — population genetics — Hardy-Weinberg principle

** Quantum chromodynamics, a theory of the strong interaction ( color force )

** Dual ( category theory ), a formalization of mathematical duality

** LTI system theory

** electron theory of metals

** Backward induction in game theory and economics

** for his profound contributions to three major areas of operations research and management science: inventory theory, dynamic programming and lattice programming.

** in recognition of his fundamental contributions to game theory and related areas

** for his contributions to queueing theory, applied probability and stochastic modelling

** Limit ( category theory )

** Most forms of cognitivism hold that some such propositions are true, as opposed to error theory, which asserts that all are erroneous.

** Error theory, another form of moral anti-realism, holds that although ethical claims do express propositions, all such propositions are false.

** In topos theory, the ( codomain of the ) subobject classifier of an elementary topos.

** In group theory, the omega and agemo subgroups of a p-group, Ω ( G ) and ℧( G )

** In number theory, Ω ( n ) is the number of prime divisors of n.

** In relational database theory to represent NULL, a missing or inapplicable value.

** In set theory, the first uncountable ordinal number ( more commonly written as ω < sub > 1 </ sub >)

** In number theory, ω ( n ) is the number of distinct prime divisors of n.

** In number theory, an arithmetic function

** General relativity, Albert Einstein's theory of gravitation

** Special relativity, a theory formulated by Albert Einstein, Henri Poincaré, and Hendrik Lorentz

** Constructionism ( learning theory )

** Coherence theory of truth