Section 102-01: Sets and operations | ![](/icons/ecblank.gif) |
| 102-01-01 | | equality | ![](/icons/ecblank.gif) |
| 102-01-02 | | set | ![](/icons/ecblank.gif) |
| 102-01-03 | | element of a set | ![](/icons/ecblank.gif) |
| 102-01-04 | | subset | ![](/icons/ecblank.gif) |
| 102-01-05 | | proper subset | ![](/icons/ecblank.gif) |
| 102-01-06 | | Cartesian product | ![](/icons/ecblank.gif) |
| 102-01-07 | | binary relation | ![](/icons/ecblank.gif) |
| 102-01-08 | | equivalence relation | ![](/icons/ecblank.gif) |
| 102-01-09 | | order relation | ![](/icons/ecblank.gif) |
| 102-01-10 | | function | ![](/icons/ecblank.gif) |
| 102-01-11 | | addition | ![](/icons/ecblank.gif) |
| 102-01-12 | | neutral element, <for addition> | ![](/icons/ecblank.gif) |
| 102-01-13 | | subtraction | ![](/icons/ecblank.gif) |
| 102-01-14 | | negative, noun | ![](/icons/ecblank.gif) |
| 102-01-15 | | sum | ![](/icons/ecblank.gif) |
| 102-01-16 | | algebraic sum | ![](/icons/ecblank.gif) |
| 102-01-17 | | difference | ![](/icons/ecblank.gif) |
| 102-01-18 | | multiplication | ![](/icons/ecblank.gif) |
| 102-01-19 | | neutral element, <for multiplication> | ![](/icons/ecblank.gif) |
| 102-01-20 | | product, <mathematics> | ![](/icons/ecblank.gif) |
| 102-01-21 | | division | ![](/icons/ecblank.gif) |
| 102-01-22 | | quotient | ![](/icons/ecblank.gif) |
| 102-01-23 | | ratio | ![](/icons/ecblank.gif) |
| 102-01-24 | | inverse, noun | ![](/icons/ecblank.gif) |
| 102-01-25 | | equation | ![](/icons/ecblank.gif) |
| 102-01-26 | | solution | ![](/icons/ecblank.gif) |
| 102-01-27 | | identity | ![](/icons/ecblank.gif) |
| 102-01-28 | | linear algebra | ![](/icons/ecblank.gif) |
Section 102-02: Numbers | ![](/icons/ecblank.gif) |
| 102-02-01 | | natural number | ![](/icons/ecblank.gif) |
| 102-02-02 | | integer | ![](/icons/ecblank.gif) |
| 102-02-03 | | rational number | ![](/icons/ecblank.gif) |
| 102-02-04 | | fraction | ![](/icons/ecblank.gif) |
| 102-02-05 | | real number | ![](/icons/ecblank.gif) |
| 102-02-06 | | absolute value | ![](/icons/ecblank.gif) |
| 102-02-07 | | exponentiation | ![](/icons/ecblank.gif) |
| 102-02-08 | | power | ![](/icons/ecblank.gif) |
| 102-02-09 | | complex number | ![](/icons/ecblank.gif) |
| 102-02-10 | | imaginary unit | ![](/icons/ecblank.gif) |
| 102-02-11 | | real part | ![](/icons/ecblank.gif) |
| 102-02-12 | | imaginary part | ![](/icons/ecblank.gif) |
| 102-02-13 | | imaginary number | ![](/icons/ecblank.gif) |
| 102-02-14 | | conjugate | ![](/icons/ecblank.gif) |
| 102-02-15 | | square root | ![](/icons/ecblank.gif) |
| 102-02-16 | | modulus, <of a complex number> | ![](/icons/ecblank.gif) |
| 102-02-17 | | argument, <of a complex number> | ![](/icons/ecblank.gif) |
| 102-02-18 | | scalar, <number> | ![](/icons/ecblank.gif) |
| 102-02-19 | | scalar quantity | ![](/icons/ecblank.gif) |
Section 102-03: Vectors and tensors | ![](/icons/ecblank.gif) |
| 102-03-01 | | vector space | ![](/icons/ecblank.gif) |
| 102-03-02 | | point space | ![](/icons/ecblank.gif) |
| 102-03-03 | | subspace | ![](/icons/ecblank.gif) |
| 102-03-04 | | vector, <mathematics> | ![](/icons/ecblank.gif) |
| 102-03-05 | | linearly independent, adj | ![](/icons/ecblank.gif) |
| 102-03-06 | | linearly dependent, adj | ![](/icons/ecblank.gif) |
| 102-03-07 | | n-dimensional vector space | ![](/icons/ecblank.gif) |
| 102-03-08 | | base, <in linear algebra> | ![](/icons/ecblank.gif) |
| 102-03-09 | | coordinate, <of a vector> | ![](/icons/ecblank.gif) |
| 102-03-10 | | component, <of a vector> | ![](/icons/ecblank.gif) |
| 102-03-11 | | dimension, <of a space> | ![](/icons/ecblank.gif) |
| 102-03-12 | | direction | ![](/icons/ecblank.gif) |
| 102-03-13 | | Cartesian coordinates, <of a point> pl | ![](/icons/ecblank.gif) |
| 102-03-14 | | Cartesian coordinate system | ![](/icons/ecblank.gif) |
| 102-03-15 | | position vector | ![](/icons/ecblank.gif) |
| 102-03-16 | | bilinear form | ![](/icons/ecblank.gif) |
| 102-03-17 | | scalar product | ![](/icons/ecblank.gif) |
| 102-03-18 | | Hermitian product | ![](/icons/ecblank.gif) |
| 102-03-19 | | Euclidean space | ![](/icons/ecblank.gif) |
| 102-03-20 | | Hermitian space | ![](/icons/ecblank.gif) |
| 102-03-21 | | vector quantity | ![](/icons/ecblank.gif) |
| 102-03-22 | | component, <of a vector quantity> | ![](/icons/ecblank.gif) |
| 102-03-23 | | magnitude, <of a vector> | ![](/icons/ecblank.gif) |
| 102-03-24 | | Euclidean distance | ![](/icons/ecblank.gif) |
| 102-03-25 | | unit vector | ![](/icons/ecblank.gif) |
| 102-03-26 | | orthogonal, adj | ![](/icons/ecblank.gif) |
| 102-03-27 | | orthonormal, adj | ![](/icons/ecblank.gif) |
| 102-03-28 | | orthonormal base | ![](/icons/ecblank.gif) |
| 102-03-29 | | angle, <between two vectors> | ![](/icons/ecblank.gif) |
| 102-03-30 | | right-handed trihedron | ![](/icons/ecblank.gif) |
| 102-03-31 | | left-handed trihedron | ![](/icons/ecblank.gif) |
| 102-03-32 | | space orientation | ![](/icons/ecblank.gif) |
| 102-03-33 | | axial vector | ![](/icons/ecblank.gif) |
| 102-03-34 | | polar vector | ![](/icons/ecblank.gif) |
| 102-03-35 | | pseudo-scalar | ![](/icons/ecblank.gif) |
| 102-03-36 | | vector product | ![](/icons/ecblank.gif) |
| 102-03-37 | | determinant, <of n vectors> | ![](/icons/ecblank.gif) |
| 102-03-38 | | scalar triple product | ![](/icons/ecblank.gif) |
| 102-03-39 | | tensor of the second order | ![](/icons/ecblank.gif) |
| 102-03-40 | | tensor quantity | ![](/icons/ecblank.gif) |
| 102-03-41 | | dyadic product | ![](/icons/ecblank.gif) |
| 102-03-42 | | symmetric tensor | ![](/icons/ecblank.gif) |
| 102-03-43 | | antisymmetric tensor | ![](/icons/ecblank.gif) |
| 102-03-44 | | tensor product, <of two tensors> | ![](/icons/ecblank.gif) |
| 102-03-45 | | inner product, <of two tensors> | ![](/icons/ecblank.gif) |
| 102-03-46 | | tensor product, <of a tensor and a vector> | ![](/icons/ecblank.gif) |
| 102-03-47 | | inner product, <of a tensor and a vector> | ![](/icons/ecblank.gif) |
| 102-03-48 | | scalar product, <of two tensors> | ![](/icons/ecblank.gif) |
| 102-03-49 | | Kronecker tensor | ![](/icons/ecblank.gif) |
Section 102-04: Geometry | ![](/icons/ecblank.gif) |
| 102-04-01 | | point | ![](/icons/ecblank.gif) |
| 102-04-02 | | straight line | ![](/icons/ecblank.gif) |
| 102-04-03 | | straight-line segment | ![](/icons/ecblank.gif) |
| 102-04-04 | | axis | ![](/icons/ecblank.gif) |
| 102-04-05 | | plane | ![](/icons/ecblank.gif) |
| 102-04-06 | | collinear, adj | ![](/icons/ecblank.gif) |
| 102-04-07 | | coplanar, adj | ![](/icons/ecblank.gif) |
| 102-04-08 | | parallel, adj | ![](/icons/ecblank.gif) |
| 102-04-09 | | perpendicular, adj | ![](/icons/ecblank.gif) |
| 102-04-10 | | projection, <on a plane> | ![](/icons/ecblank.gif) |
| 102-04-11 | | projection, <on a line> | ![](/icons/ecblank.gif) |
| 102-04-12 | | orthogonal projection, <on a plane> | ![](/icons/ecblank.gif) |
| 102-04-13 | | orthogonal projection, <on a line> | ![](/icons/ecblank.gif) |
| 102-04-14 | | angle, <between two straight lines> | ![](/icons/ecblank.gif) |
| 102-04-15 | | curve | ![](/icons/ecblank.gif) |
| 102-04-16 | | closed curve | ![](/icons/ecblank.gif) |
| 102-04-17 | | polygonal line | ![](/icons/ecblank.gif) |
| 102-04-18 | | length, <of a curve> | ![](/icons/ecblank.gif) |
| 102-04-19 | | orientation, <of a curve> | ![](/icons/ecblank.gif) |
| 102-04-20 | | oriented curve | ![](/icons/ecblank.gif) |
| 102-04-21 | | closed path | ![](/icons/ecblank.gif) |
| 102-04-22 | | abscissa, <along a curve> | ![](/icons/ecblank.gif) |
| 102-04-23 | | tangent, <to a curve> noun | ![](/icons/ecblank.gif) |
| 102-04-24 | | osculating plane, <of a curve> | ![](/icons/ecblank.gif) |
| 102-04-25 | | normal, <to a curve> noun | ![](/icons/ecblank.gif) |
| 102-04-26 | | main normal, <to a curve> | ![](/icons/ecblank.gif) |
| 102-04-27 | | binormal, <to a curve> | ![](/icons/ecblank.gif) |
| 102-04-28 | | circle | ![](/icons/ecblank.gif) |
| 102-04-29 | | disk | ![](/icons/ecblank.gif) |
| 102-04-30 | | radian | ![](/icons/ecblank.gif) |
| 102-04-31 | | surface | ![](/icons/ecblank.gif) |
| 102-04-32 | | closed surface | ![](/icons/ecblank.gif) |
| 102-04-33 | | area | ![](/icons/ecblank.gif) |
| 102-04-34 | | tangent plane | ![](/icons/ecblank.gif) |
| 102-04-35 | | normal, <to a surface> noun | ![](/icons/ecblank.gif) |
| 102-04-36 | | orientation, <of a surface> | ![](/icons/ecblank.gif) |
| 102-04-37 | | oriented surface | ![](/icons/ecblank.gif) |
| 102-04-38 | | cylindrical surface | ![](/icons/ecblank.gif) |
| 102-04-39 | | three-dimensional domain | ![](/icons/ecblank.gif) |
| 102-04-40 | | volume | ![](/icons/ecblank.gif) |
| 102-04-41 | | cylinder | ![](/icons/ecblank.gif) |
| 102-04-42 | | circular cylinder | ![](/icons/ecblank.gif) |
| 102-04-43 | | sphere | ![](/icons/ecblank.gif) |
| 102-04-44 | | ball | ![](/icons/ecblank.gif) |
| 102-04-45 | | cone | ![](/icons/ecblank.gif) |
| 102-04-46 | | solid angle | ![](/icons/ecblank.gif) |
| 102-04-47 | | steradian | ![](/icons/ecblank.gif) |
| 102-04-48 | | symmetry | ![](/icons/ecblank.gif) |
| 102-04-49 | | symmetric, adj | ![](/icons/ecblank.gif) |
| 102-04-50 | | symmetry with respect to a point | ![](/icons/ecblank.gif) |
| 102-04-51 | | centre of symmetry | ![](/icons/ecblank.gif) |
| 102-04-52 | | symmetry with respect to a line | ![](/icons/ecblank.gif) |
| 102-04-53 | | axis of symmetry | ![](/icons/ecblank.gif) |
| 102-04-54 | | symmetry with respect to a plane | ![](/icons/ecblank.gif) |
| 102-04-55 | | plane of symmetry | ![](/icons/ecblank.gif) |
| 102-04-56 | | angle, <between a straight line and a plane> | ![](/icons/ecblank.gif) |
| 102-04-57 | | angle, <between two planes> | ![](/icons/ecblank.gif) |
Section 102-05: Scalar and vector fields | ![](/icons/ecblank.gif) |
| 102-05-01 | | scalar line element | ![](/icons/ecblank.gif) |
| 102-05-02 | | vector line element | ![](/icons/ecblank.gif) |
| 102-05-03 | | line integral | ![](/icons/ecblank.gif) |
| 102-05-04 | | scalar line integral | ![](/icons/ecblank.gif) |
| 102-05-05 | | circulation | ![](/icons/ecblank.gif) |
| 102-05-06 | | scalar surface element | ![](/icons/ecblank.gif) |
| 102-05-07 | | vector surface element | ![](/icons/ecblank.gif) |
| 102-05-08 | | surface integral | ![](/icons/ecblank.gif) |
| 102-05-09 | | flux, <of a vector> | ![](/icons/ecblank.gif) |
| 102-05-10 | | volume element | ![](/icons/ecblank.gif) |
| 102-05-11 | | volume integral | ![](/icons/ecblank.gif) |
| 102-05-12 | | field | ![](/icons/ecblank.gif) |
| 102-05-13 | | scalar field | ![](/icons/ecblank.gif) |
| 102-05-14 | | vector field | ![](/icons/ecblank.gif) |
| 102-05-15 | | field line | ![](/icons/ecblank.gif) |
| 102-05-16 | | tensor field | ![](/icons/ecblank.gif) |
| 102-05-17 | | field quantity | ![](/icons/ecblank.gif) |
| 102-05-18 | | nabla operator | ![](/icons/ecblank.gif) |
| 102-05-19 | | gradient | ![](/icons/ecblank.gif) |
| 102-05-20 | | divergence | ![](/icons/ecblank.gif) |
| 102-05-21 | | solenoidal field | ![](/icons/ecblank.gif) |
| 102-05-22 | | rotation | ![](/icons/ecblank.gif) |
| 102-05-23 | | irrotational field | ![](/icons/ecblank.gif) |
| 102-05-24 | | potential | ![](/icons/ecblank.gif) |
| 102-05-25 | | equipotential, adj | ![](/icons/ecblank.gif) |
| 102-05-26 | | vector potential | ![](/icons/ecblank.gif) |
| 102-05-27 | | Laplacian operator | ![](/icons/ecblank.gif) |
| 102-05-28 | | Laplacian, <of a scalar field> | ![](/icons/ecblank.gif) |
| 102-05-29 | | Laplacian, <of a vector field> | ![](/icons/ecblank.gif) |
| 102-05-30 | | divergence theorem | ![](/icons/ecblank.gif) |
| 102-05-31 | | Stokes theorem | ![](/icons/ecblank.gif) |
| 102-05-32 | | first Green formula | ![](/icons/ecblank.gif) |
| 102-05-33 | | second Green formula | ![](/icons/ecblank.gif) |
| 102-05-34 | | conservative field | ![](/icons/ecblank.gif) |
Section 102-06: Matrices | ![](/icons/ecblank.gif) |
| 102-06-01 | | matrix | ![](/icons/ecblank.gif) |
| 102-06-02 | | type, <of a matrix> | ![](/icons/ecblank.gif) |
| 102-06-03 | | row matrix | ![](/icons/ecblank.gif) |
| 102-06-04 | | column matrix | ![](/icons/ecblank.gif) |
| 102-06-05 | | product of a matrix by a scalar | ![](/icons/ecblank.gif) |
| 102-06-06 | | sum of two matrices | ![](/icons/ecblank.gif) |
| 102-06-07 | | zero matrix | ![](/icons/ecblank.gif) |
| 102-06-08 | | product of two matrices | ![](/icons/ecblank.gif) |
| 102-06-09 | | square matrix | ![](/icons/ecblank.gif) |
| 102-06-10 | | order, <of a square matrix> | ![](/icons/ecblank.gif) |
| 102-06-11 | | multiplication, <of square matrices> | ![](/icons/ecblank.gif) |
| 102-06-12 | | Kronecker delta | ![](/icons/ecblank.gif) |
| 102-06-13 | | unit matrix | ![](/icons/ecblank.gif) |
| 102-06-14 | | regular matrix | ![](/icons/ecblank.gif) |
| 102-06-15 | | singular matrix | ![](/icons/ecblank.gif) |
| 102-06-16 | | inverse of a square matrix | ![](/icons/ecblank.gif) |
| 102-06-17 | | transpose matrix | ![](/icons/ecblank.gif) |
| 102-06-18 | | complex conjugate matrix | ![](/icons/ecblank.gif) |
| 102-06-19 | | Hermitian conjugate matrix | ![](/icons/ecblank.gif) |
| 102-06-20 | | determinant, <of a matrix> | ![](/icons/ecblank.gif) |
| 102-06-21 | | trace, <of a matrix> | ![](/icons/ecblank.gif) |
| 102-06-22 | | norm of a matrix | ![](/icons/ecblank.gif) |
| 102-06-23 | | eigenvalue | ![](/icons/ecblank.gif) |
| 102-06-24 | | eigenvector | ![](/icons/ecblank.gif) |
| 102-06-25 | | symmetric matrix | ![](/icons/ecblank.gif) |
| 102-06-26 | | orthogonal matrix | ![](/icons/ecblank.gif) |
| 102-06-27 | | Hermitian matrix | ![](/icons/ecblank.gif) |
| 102-06-28 | | unitary matrix | ![](/icons/ecblank.gif) |
| 102-06-29 | | positive definite matrix | ![](/icons/ecblank.gif) |
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