HoldAll is an attribute which specifies that all arguments to a function are to be maintained in an unevaluated form.

NumberFieldRootsOfUnity[a] gives the roots of unity for the field \[DoubleStruckCapitalQ][a] generated by the algebraic number a.

MIME types: application/fits, image/fits FITS scientific image and data format. Standard format for the exchange and archival storage of astronomical data. Endorsed by NASA ...

Basic two-dimensional graphics elements. Here is a line primitive. This shows the line as a two-dimensional graphics object.

Band[{i, j}] represents the sequence of positions on the diagonal band that starts with {i, j} in a sparse array.Band[{i_min, j_min, ...}, {i_max, j_max, ...}] represents the ...

DifferenceRoot[lde] represents a function that solves the linear difference equation specified by lde[a, n].

The functions defined in Music` allow you to make conversions between cents and hertz, and play scales in one of the common tuning systems, or in a user-specified tuning ...

While you can programmatically create two-dimensional layouts, the Mathematica front end provides convenient tools for creating and editing two-dimensional grids of data, in ...

Covariance[v_1, v_2] gives the covariance between the vectors v_1 and v_2.Covariance[m] gives the covariance matrix for the matrix m.Covariance[m_1, m_2] gives the covariance ...

Cross[a, b] gives the vector cross product of a and b.