001.422	statistical methods    62Q05
001.4225	analysis of data    62-07
003	systems    90Bxx
003.5	theory of communication and control    93-XX   94-XX
003.54	information theory    94-XX
004	data processing - computer science    68-XX   68Mxx
004.0151	mathematical principles    68M01
004.21	systems analysis and design    68M20
004.22	computer architecture    68M07
004.24	performance evaluation    68M15   90B22   90B35
004.5	storage    90B18
004.65	communications network architecture    68M10
004.68	local-area networks    68M10   90B18
005	computer programming, programs, data    68-XX   68Nxx   68Rxx
005.101	philosophy and theory    68N01
005.11	special programming techniques    68N17   68N18   68N19
005.112	modular programming    68N19
005.113	structured programming    68N19
005.114	functional programming    68N18
005.115	logic programming    68N17
005.117	object-oriented programming    68N19
005.118	visual programming    68N19
005.12	program design    68N99
005.13	programming languages    68N15   68Q10   68Q25   68Q30   68Q65
005.131	symbolic logic ((mathematical logic))    68N17   68N30   68Q42   68Q45   68Q70   68Q80
005.133	specific programming languages    68N15
005.136	machine and assembly languages    68N15
005.14	verification, testing, measurement, debugging    68Q60
005.15	preparation of program documentation    68Q60
005.43	systems programs - operating systems    68N25
005.44	operating systems for specific types of computers    68N25
005.45	programming-language translator    68N20
005.73	data structures    68P05
005.74	data files and databases    68P15   68P20
005.741	organization of data files and access methods    68P10
005.82	data encryption    68P25
006	special computer methods    68-XX   68Uxx
006.3	artificial intelligence    68Txx
006.31	machine learning    68T05
006.33	knowledge representation based systems    68T20   68T27   68T30   68T35
006.35	natural language processing    68T50
006.4	computer pattern recognition    68T10
006.42	optical pattern recognition    68U10
006.6	computer graphics    68U05   68U07
330.0151	mathematical principles    91Bxx
330.015195	statistical mathematics    91Bxx
330.1543	mathematical economics    91Bxx
332	financial economics    91B50   91Bxx
338	production    91Bxx
339	macroeconomics & related topics    90B60   91B53   91B56   91B58   91B60   91B70   91Bxx
372.7	mathematics    97-XX
410.151	mathematical principles    68T50
415	structural systems (grammar)    68T50
510.1	philosophy and theory    03A05
511.2	mathematical systems    03A05
511.3	mathematical logic (symbolic logic)    03-XX   03Bxx   03Cxx   03Fxx   03Hxx   08-XX   08Cxx   11Uxx   12Lxx   13L05   16B70   18A15   20Axx   20F10   20M05   28Exx   54H05   68Q05   68Q15   68Q42   68Q45   68Q55   68Q65   68Q70   68T15   68T27
511.32	sets    54A25
511.322	set theory    03Exx
511.324	algebra of sets    03B52   03E72   06Exx   28A60   28E10
511.33	relations, lattices, ordered systems and structures    03Gxx   06-XX   06Axx   06Bxx   06Cxx   06Dxx   06Fxx   08Bxx   11S45   51G05   54-XX   54Cxx   54F05
511.35	recursion theory    03Dxx
511.4	approximations and expansions    30E10   41-XX   65-XX   65Dxx
511.43	error analysis    65Gxx
511.5	theory and construction of graphs    05Cxx   57M15   65S05   68R10
511.6	combinatorial analysis    03E20   05-XX   05Axx   05Bxx   05C55   05Dxx   05Exx   11P81   20D60   51D20   51Exx   52A37   52B05   60C05   62Kxx   68R05   68R15
511.62	enumeration    05A16
511.64	permutations and combinations    05A05
511.65	choice    05A05
512.02	abstract algebra    08-XX   08Bxx   08Cxx   12Kxx   20Nxx
512.2	groups and group theory    05C25   05E10   05E15   06F15   06F20   06Fxx   08Axx   13Axx   14Lxx   20-XX   20Axx   20Bxx   20Cxx   20Dxx   20Exx   20Fxx   20Gxx   20Kxx   20Mxx   20Nxx   51F25   51Jxx   51N25   51N30   51N35
512.24	algebras based on group properties    17-XX   17Axx   17Cxx   17Dxx
512.3	fields    11R32   11R33   11R34   11S20   11S25   11S70   12-XX   12Dxx   12Exx   12Fxx   14G15   14G20   14G25
512.4	rings    06F25   13-XX   13Axx   13Bxx   13Cxx   13Exx   13Fxx   13G05   13Hxx   13Mxx   14M05   16-XX   16Dxx   16Gxx   16Kxx   16Lxx   16Nxx   16Pxx   16Sxx   16Uxx   16Wxx   16Yxx
512.5	linear, multilinear, multidimensional algebras    11Cxx   11E39   11R52   13K05   15-XX   20Gxx   65Fxx
512.52	vector spaces    15A03   15A04
512.55	topological and related algebras and groups    06B30   06B35   06E20   06F25   08C05   11E70   12Gxx   12Jxx   13Dxx   13Jxx   16B50   16Exx   17Bxx   18-XX   18Axx   18Bxx   18Cxx   18Dxx   18Fxx   18Gxx   19-XX   19Axx   19Bxx   19Cxx   19D10   19Exx   19Gxx   19Kxx   20F38   20F40   20Jxx   20L05   22-XX   22Axx   22Bxx   22Dxx   22Exx   32Mxx   46Hxx   46Jxx   46Kxx   46Lxx   46Mxx   47Cxx   47Dxx   51N25   51N30   54B30   54B40   54C40   54H10   54H11   54H13   54H15   55Qxx   55Uxx   57M05   57M07   57Sxx   57Txx   58D05   58D07   58Hxx
512.56	differential and difference algebras    12Hxx   13Nxx
512.57	factor algebras    15A66   15A69   15A72   15A75
512.7	number theory    11-XX   11Gxx   11Lxx   11Z05
512.72	elementary number theory    11Axx   11Bxx   11Dxx   14Gxx
512.73	analytic number theory    05A17   11Fxx   11Jxx   11Mxx   11Nxx
512.74	algebraic number theory    11E04   11E08   11E10   11E12   11E16   11E20   11E25   11Pxx   11Rxx   11Sxx   11Txx   12Fxx   12Jxx   13Mxx   14F30   14G20   14K15   15A63   16H05   19Fxx   20C11   20D60
512.75	geometry of numbers    11Hxx   52Cxx
512.76	probabilistic number theory    11Kxx
512.94	theory of equations    12-XX   65Hxx
512.943	determinants and matrices    11C20   15A06   15A09   15A12   15A15   15A18   15A21   15A22   15A23   15A24   15A27   15A30   15A33   15A36   15A39   15A42   15A45   15A48   15A51   15A52   15A54   15A57   15A60
512.944	theory of forms and algebraic invariant theory    11Exx   16Rxx
514	topology    54-XX   54Axx   54Dxx   54Exx   54Fxx   54Gxx
514.2	algebraic topology    19Jxx   19Lxx   20F38   55-XX   55Mxx
514.223	combinatorial elements    57-XX   57Mxx   57Nxx   57Pxx   57Qxx
514.224	structures and spaces    18F15   18F20   20F36   32Lxx   54B30   54B40   55Rxx
514.23	homology and cohomology theories    18F25   55Nxx   55Sxx   55Txx   55Uxx   57Txx
514.24	homotopy theory    54C15   54C55   55Pxx   55Qxx   57Txx
514.3	topology of spaces    57-XX   57Nxx   57Pxx   57Qxx
514.7	analytic topology    58-XX
514.72	differential topology    53C12   57Rxx
514.74	global analysis    58-XX
515	analysis    26-XX   28-XX   30-XX   31-XX   32-XX   33-XX   34-XX   35-XX   37-XX   39-XX   40-XX   41-XX   42-XX   44-XX   45-XX   46-XX   47-XX   49-XX   58-XX
515.234	expansion of functions    41-XX
515.24	sequence and series    40-XX   40Axx   40Exx
515.243	series    11P81   11P82   11P83   40Cxx   40Dxx   40Gxx   40H05   40J05   65Bxx
515.2433	Fourier and harmonic analysis    42-XX   65Txx
515.35	differential equations    28A80   30E25   32S25   32Sxx   34Axx   34Bxx   34Dxx   34Exx   34Gxx   34Kxx   35Axx   35Bxx   35Cxx
515.352	ordinary differential equations    34-XX   34Cxx   54H20   65Lxx
515.353	partial differential equations    35-XX   35Dxx   35Exx   35Fxx   35Gxx   35Hxx   35Jxx   35Kxx   35Lxx   35Mxx   35Rxx   65Mxx   65Nxx   65Pxx
515.36	differential inequalities    32Sxx   34A40   35J85   52A10   52A15   52A20
515.38	mixed equations    34Kxx   35Rxx   45J05   45K05   65Q05
515.4	integral calculus and equations    51M25   52A38
515.42	theory of measure and integration    28-XX   28Dxx   28Exx   46Gxx
515.43	integral calculus    30E20
515.45	integral equations    45-XX   65R10   65Rxx
515.5	special functions    33-XX   33Exx   65D20
515.52	eulerian integrals    33Bxx
515.54	Mathieu functions    33E10
515.55	orthogonal polynomials    33Cxx   33Dxx
515.623	numerical differentiation    65D25
515.624	numerical integration    65D30
515.625	difference equations    39-XX   39Axx   65Q05
515.63	vector, tensor, spinor analysis    53A45   81R25   83C60
515.64	calculus of variations    34H05   49-XX   49Jxx   49Kxx   49Mxx   58Exx   65Kxx
515.7	functional analysis    46-XX   49Lxx
515.72	operational calculus    44-XX
515.7222	spectral theory    35Pxx
515.723	transforms (integral operators)    44A05   44A10   44A12   44A15   44A20   44A30   47Cxx   47Gxx   65R20   65Rxx   65T50
515.724	operator theory    35Pxx   47-XX   47Nxx   47Sxx   65Jxx
515.7242	differential operators    32Fxx   34Lxx   35Sxx   47-XX   47E05   47F05   65J10
515.7246	linear operators    47Axx   47Bxx   47Dxx   65J15
515.7248	nonlinear operators    47Hxx   58Cxx
515.73	topological vector spaces    46Axx   46Exx   52A07   54C35   58D05   58D07   58Dxx   58Exx
515.732	Banach spaces    46Bxx   52A21
515.733	Hilbert spaces    46Cxx
515.782	distribution theory    46Exx   46Fxx
515.783	abstract measure theory    28Bxx   28Cxx
515.785	abstract harmonic analysis    43-XX
515.8	functions of real variables    26-XX   26Exx
515.825	equations and functions    26Cxx
515.826	inequalities    26Dxx
515.83	functions of one real variable    26Axx
515.84	functions of several real variables    26Bxx
515.9	functions of complex variables    05E35   30-XX   31-XX   31Axx   31Bxx   31Cxx   31D05   32-XX   32Nxx   32Sxx
515.9223	uniformity and multiformity    30Fxx   30H05   32Cxx   32Jxx   32Kxx   32Lxx   32Mxx
515.9232	determination of functions    65E05
515.9234	expansion of functions    30Bxx
515.9243	series    32A05
515.926	inequalities    30A10   32A22
515.93	functions of one complex variable    30-XX
515.94	functions of several complex variables    32-XX   32Bxx
515.98	specific types of complex variable functions    11Fxx   30Dxx   30F35   30Gxx   32A15   32A17   32Gxx
515.982	meromorphic functions    32A20   32H04
515.983	elliptic functions    33E05
515.984	theta function    33D05
516	geometry    51-XX   51Hxx   54F45   55M10
516.07	manifolds    51H20   51H25   51H30   51M35   53C15
516.08	convex sets    52-XX
516.1	general aspects    51Fxx
516.12	incidence geometry    51Axx   51Bxx   51H10   51H15   51Jxx
516.13	combinatorial and constructive geometry    05B05   05B25   05B30   05B35   05B40   05B45   51D20   51Exx   52B05
516.15	geometric configurations, measures, shapes    51M20   52Bxx   54C56   55P55
516.17	geometry of inequalities    51M16   52A40
516.182	vector geometry    53A45   53Axx
516.183	line geometry    51M30
516.2	Euclidean geometry    51M04   51M05   51Mxx
516.3	analytic geometries    51M05   51Mxx   51N20   51Nxx
516.34	analitic trigonometry    33B10
516.35	algebraic geometry    11Gxx   14-XX   14Axx   14Bxx   14Cxx   14Dxx   14Exx   14Kxx   14Lxx   14Mxx   30Cxx   51Dxx   51M20   51N25   51N30   51N35   52Bxx   52Cxx
516.352	curves and surfaces on projective and affine planes    14Hxx
516.353	algebraic varieties of higher dimensions    14Jxx
516.36	differential and integral geometry    51H20   51H25   51H30   51Kxx   51Lxx   51M35   53-XX   53Bxx   53Cxx
516.362	integral geometry (global differential geometry)    52A22   52A41   52A55   53C65
516.37	metric differential geometries    53-XX   53Bxx   53Cxx
516.372	Euclidean geometry    53A04   53A05   53A07
516.373	Riemannian geometry    53C20   53C21   53C25
516.375	Finsler geometry    53C60
516.4	affine geometry    14Nxx   51N10
516.5	projective geometry    14Nxx   51J10   51M35   51N15
516.6	abstract descriptive geometry    14Nxx   51N05   51Nxx
516.9	non-Euclidean geometries    51M09   51M10   51Mxx
519	probabilities & applied mathematics    90-XX
519.2	probabilities    34F05   47S50   52A22   60-XX   60Axx   60C05   60D05   60Hxx   68Q30   68Q45   90-XX
519.23	probabilistic processes    60Gxx   62M07   62M09
519.232	stationary processes    60G10
519.233	Markov processes    60Jxx   62M02   62M05
519.24	probability distribution    60Exx   60J80   60J85   62Exx
519.26	probabilities over rings, algebras, other algebraic structures    20P05   60Bxx
519.282	random walks    60G50   60Jxx   82B41   82C41
519.287	expectations and prediction    60G42   60G44   60G46   60K05   60K10   60K15   60K20   62M20   62N05   62Nxx
519.3	game theory    91-XX   91Axx
519.4	applied numerical analysis    65Cxx   68U20
519.5	statistical mathematics    62-XX   62A01   91B19
519.52	theory of sampling    62D05
519.53	descriptive statistics, multivariate analysis, analysis of variance and covariance    62H30
519.532	frequency distribution    62Exx   62G30
519.535	multivariate analysis    62Hxx
519.5354	factor analysis    62H25
519.536	regression analysis    62Jxx
519.537	correlation (association) analysis    62H20
519.538	analysis of variance and covariance    62J10
519.54	statistical inference    62Bxx   62Fxx   62Gxx   62Lxx   62Mxx
519.542	decision theory    62Cxx   91B05
519.544	estimation theory    62F10   62F12   62Fxx   62G05   62G07   62H12   62M05   62M09
519.55	time-series analysis    62M10
519.56	hypothesis testing    62F03   62G10   62H15   62M02   62M07
519.7	programming    65Kxx   90B80   90B85   90Cxx
519.72	linear programming    90C05
519.76	nonlinear programming    49M37   52A41   90C20   90C25   90C30
519.82	queuing    60K25   60K30   90B22
519.83	inventory and storage    90B05
519.86	quality control and other statistical adjustements    62Nxx   90B25
520	astronomy and allied sciences    85-XX
530.11	relativity theory    83-XX
530.12	quantum mechanics (quantum theory)    81-XX
530.13	statistical mechanics    82-XX
530.133	quantum statistics (quantum statistical mechanics)    81-XX   81S25
531	classical mechanics; solid mechanics    70-XX   74-XX
532	fluid mechanics; liquid mechanics    76-XX
535.14	electromagnetic theory    78-XX
535.15	quantum theory    81-XX
535.2	physical optics    78-XX
536	heat    80-XX
536.2	heat transfer (transmission)    80-XX
536.7	thermodynamics    80-XX
541.36	thermochemistry and thermodynamics    80-XX
551	geology, hydrology, meteorology    86-XX
570	life sciences, biology    92-XX
629.8312	control theory    34H05
658.40301	philosophy and theory of decision process    90B50   91B05
658.4032	system theory and analysis    93-XX
658.4034	operating research    90-XX
908	with respect to kind of persons    01-XX
920	biography, genealogy, insignia    01-XX
931	China    01A25
932	Egypt    01A16
934	India    01A32
935	Mesopotamia and iranian plateau    01A17
937	Italy and adjacent territories    01A20
938	Greece    01A20
951	China and adjacent areas    01A25
952	Japan    01A27
955	Iran    01A30
956	Middle East (Near East)    01A30
958	Central Asia    01A30
960	general history of Africa    01A30