ThreeJSymbol[{j_1, m_1}, {j_2, m_2}, {j_3, m_3}] gives the values of the Wigner 3-j symbol.

Eigensystem[m] gives a list {values, vectors} of the eigenvalues and eigenvectors of the square matrix m. Eigensystem[{m, a}] gives the generalized eigenvalues and ...

BoxFrame is an option for FrameBox objects that specifies whether to draw a frame around the contents of the box.

DefaultLabelStyle is a low-level option for formatting and related constructs that specifies the default style to use in displaying their label-like elements.

GeometricMeanFilter[image, r] filters image by replacing every value by the geometric mean of the values in its range r neighborhood. GeometricMeanFilter[data, r] applies ...

In addition to the existing datasets that have been updated, Mathematica 8 now exposes the curated knowledge databases available from Wolfram|Alpha.

ResetScheduledTask[obj] resets scheduled task object obj to the original parameter values.ResetScheduledTask[obj, timespec] resets scheduled task timing to ...

LogicalExpand[expr] expands out logical combinations of equations, inequalities, and other functions.

Mathematica has not only convenient built-in multilingual dictionaries, but also built-in information on word meaning, structure and usage, as well as the relationship ...

When Mathematica transforms an expression such as x+x into 2x, it is treating the variable x in a purely symbolic or formal fashion. In such cases, x is a symbol which can ...