logical extension

- ActiveX server extension
- address extension
- application extension
- CD-ROM extension
- coherence length extension
- command extension
- debugging extension
- default extension
- error extension
- HTML extension
- hypertext markup language extension
- lexicographic extension
- logical extension
- matrix math extensions
- matrix math extensions
- multipurpose Internet mail extensions
- numeric processor extension
- page size extension
- paging global extension
- physical address extension
- predicate extension
- processor extension
- range extension
- real-time extension
- secure multipurpose Internet mail extensions
- semantic extension
- shaft extension
- sign extension
- streaming SIMD extensions
- streaming SIMD extensions
- threshold extension
- VESA BIOS extensions

- address extension
- application extension
- CD-ROM extension
- coherence length extension
- command extension
- debugging extension
- default extension
- error extension
- extensions to TEX
- HTML extension
- hypertext markup language extension
- lexicographic extension
- logical extension
- matrix math extensions 2
- matrix math extensions
- multipurpose Internet mail extensions
- numeric processor extension
- page size extension
- paging global extension
- physical address extension
- predicate extension
- processor extension
- range extension
- real-time extension
- secure multipurpose Internet mail extensions
- semantic extension
- shaft extension
- sign extension
- streaming SIMD extensions 2
- streaming SIMD extensions
- threshold extension
- VESA BIOS extensions

- number of cylinders
- number of epochs
- number of heads
- number of hidden layers
- number of logical cylinders
- number of logical heads
- number of logical sectors
- number of primary turns
- number of quantizing levels
- number of secondary turns
- number of sectors per track
- number of sessions
- number of states
- number of tracks
- number of turns
- Abbe number
- absolute frame number
- abstract number
- account number
- additional quantum number
- algebraic number
- angular mode number
- assigned number
- Avogadro number
- axial mode number
- azimuthal quantum number
- base number
- Betti number
- binary number
- binary-coded decimal number
- block number
- Brinell hardness number
- bus number
- call number
- called directory number
- called terminal number
- calling directory number
- calling terminal number
- cardinal number - Cayley numbers
- channel number - cliquomatic number
- cluster number
- coded decimal number
- complex number
- composite number
- concrete number
- condition number
- controller number
- Conway number
- coprime numbers
- counting number
- customer number
- cutoff wave number
- cylinder number
- device number
- directory number
- double-length number
- double-precision number
- drive number
- effective number of bits - even number
- expected number of augmented doubles
- extension number
- f-number
- Fibonacci numbers
- fixed-point number
- floating-point number
- font number
- fractional number - Fresnel number
- function number - Grashof number
- groove number
- Gummel number
- Hartman number
- head number
- hexadecimal number - ID number
- identification number
- imaginary number
- infinite repeating decimal number
- inner quantum number
- interconnection level number
- international number
- Internet number
- internet number
- irrational number
- job number
- Julian number
- line number
- logical block number
- logical cylinder number
- logical device number
- logical head number
- logical sector number - Lorentz number
- fuzzy number
- L-R fuzzy number
- Lundquist number
- magic number
- magnetic quantum number
- magnetic Reynolds number
- main quantum number
- mass number
- maximum usable read number
- Mersenne prime numbers
- mixed number - multiple number
- natural number
- network number - normalized wave number
- Nusselt number
- occupation number
- odd number
- orbital quantum number
- ordinal number
- page number
- perfect number
- personal communication number - physical cylinder number
- physical head number
- physical sector number
- portable serial number - preprogrammed number
- prime number
- principal quantum number
- priority number
- propagation number
- pseudodecimal number
- pseudorandom number
- quantum number
- radial mode number
- radix number
- random number
- rational number
- read number
- read-around number
- real number - repeating decimal number
- resolvable element number
- revolution number
- Reynolds number
- round-off number
- scanning-lines number
- Schmidt number
- security service number
- seed number
- serial number
- Sherwood number
- signed number
- spin quantum number
- SS number
- statement number
- subnet number
- subscriber number
- surreal number
- T-number
- telephone number
- ticket number
- tolerant fuzzy number
- toll-free number
- total quantum number
- track number
- transcendental number
- transfinite number
- translational quantum number
- transverse wave number
- trapezoidal fuzzy number
- triangular fuzzy number
- unimodal fuzzy number
- unlisted phone number
- unsigned number
- version number
- vias number
- vibrational quantum number
- Vickers number
- volume reference number
- volume serial number
- wave number
- whole number
- winding number
- Wolf number

- Abbe number
- absolute frame number
- abstract number
- account number
- additional quantum number
- algebraic number
- angular mode number
- assigned number
- Avogadro number
- axial mode number
- azimuthal quantum number
- base number
- Betti number
- binary number
- binary-coded decimal number
- block number
- Brinell hardness number
- bus number
- call number
- called directory number
- called terminal number
- calling directory number
- calling terminal number
- card select number
- cardinal number
- Catalan's numbers
- Cayley numbers
- channel number
- ciphering key sequence number
- clique number
- cliquomatic number
- cluster number
- coded decimal number
- complex number
- composite number
- concrete number
- condition number
- controller number
- Conway number
- coprime numbers
- counting number
- customer number
- cutoff wave number
- cylinder number
- device number
- directory number
- double-length number
- double-precision number
- drive number
- effective number of bits
- electronic ID number
- enterprise number
- even number
- expected number of augmented doubles
- extension number
- f number
- Fibonacci numbers
- fixed-point number
- floating-point number
- font number
- fractional number
- frame number
- frequency-band number
- Fresnel number
- function number
- fuzzy number
- Ginsburg number
- Grashof number
- groove number
- Gummel number
- Hartman number
- head number
- hexadecimal number
- hopping sequence number
- host number
- ID number
- identification number
- imaginary number
- infinite repeating decimal number
- inner quantum number
- interconnection level number
- international number
- Internet number
- internet number
- irrational number
- job number
- Julian number
- line number
- logical block number
- logical cylinder number
- logical device number
- logical head number
- logical sector number
- logical unit number
- longitudinal propagation number
- Lorentz number
- Lundquist number - magnetic Reynolds number
- main quantum number
- mass number
- maximum usable read number
- Mersenne prime numbers
- mixed number
- mobile station international ISDN number
- mode number
- multiple number
- natural number
- network number
- non-registered parameter number
- normal fuzzy number
- normalized wave number
- number of augmented doubles
- number of cylinders
- number of epochs
- number of heads
- number of hidden layers
- number of logical cylinders
- number of logical heads
- number of logical sectors
- number of primary turns
- number of quantizing levels
- number of secondary turns
- number of sectors per track
- number of sessions
- number of states
- number of tracks
- number of turns
- Nusselt number
- occupation number
- odd number
- orbital quantum number
- ordinal number
- page number
- perfect number
- personal communication number
- personal identification number
- physical block number
- physical cylinder number
- physical head number
- physical sector number
- portable serial number
- portable user number
- Prandtl number
- preprogrammed number
- prime number
- principal quantum number
- priority number
- propagation number
- pseudodecimal number
- pseudorandom number
- quantum number
- radial mode number
- radix number
- random number
- rational number
- read number
- read-around number
- real number
- registered parameter number
- release number
- repeating decimal number
- resolvable element number
- revolution number
- Reynolds number
- round-off number
- scanning-lines number
- Schmidt number
- security service number
- seed number
- serial number
- Sherwood number
- signed number
- spin quantum number
- SS number
- statement number
- subnet number
- subscriber number
- surreal number
- T number
- telephone number
- ticket number
- tolerant fuzzy number
- toll-free number
- total quantum number
- track number
- transcendental number
- transfinite number
- translational quantum number
- transverse wave number
- trapezoidal fuzzy number
- triangular fuzzy number
- unimodal fuzzy number
- unlisted phone number
- unsigned number
- version number
- vias number
- vibrational quantum number
- Vickers number
- volume reference number
- volume serial number
- wave number
- whole number
- winding number
- Wolf number

- distributed maximum principle - least number principle - principle of adiabatic invariance - principle of contraction mapping - principle of extension of inequalities - principle of fixed point - principle of harmonic balance - principle of harmonic measure - principle of hyperbolic measure - principle of least squares - principle of length and area - principle of mathematical induction - principle of maximum likelihood - principle of point estimation - principle of stationary phase - principle of stochastic balance - principle of transfinite induction - principle of unsufficient reason - virtual work principle - weak likelihood principle

- almost periodic operator - amateur radio operator - asymptotically polylinear operator - bounded below operator - completely invertible operator - double stochastic operator - formally hypoelliptic operator - formally self-adjoint operator - formally symmetric operator - internal operator - isotonic operator - left shift operator - locally algebraic operator - locally measurable operator - negative semidefinite operator - normally resolvable operator - partial recursive operator - partially hypoelliptic operator - partially isometric operator - positive definite operator - positive semidefinite operator - properly orthogonal operator - relatively degenerate operator - relatively invertible operator - relatively regular operator - selective operator - skew adjoint operator - skew self-adjoint operator - uniformly strongly elliptic operator - weakly separable operator

- analytical hierarchy theorem - arithmetical hierarchy theorem - closed range theorem - formally provable theorem - implicit function theorem - initial value theorem - integral representation theorem - local limit theorem - maximal ergodic theorem - mean value theorem - normal form theorem - ratio limit theorem - rational root theorem - second mean value theorem - theorem of consistency proofs - theorem of corresponding states - three line theorem - three series theorem - uniform convergence theorem - uniform ergodic theorem - uniform mean value theorem