Tan[z] gives the tangent of z.

Shortest[p] is a pattern object that matches the shortest sequence consistent with the pattern p.

TraceScan[f, expr] applies f to all expressions used in the evaluation of expr. TraceScan[f, expr, form] includes only those expressions which match form. TraceScan[f, expr, ...

The uniquely powerful symbolic language that is the foundation for Mathematica.

Differentiation Total Derivatives Derivatives of Unknown Functions

Mathematica 6.0 defined a major new paradigm for computing, centered around the concept of the symbolic dynamic interface. Built on Mathematica's unique symbolic ...

Functions for constructing matrices. This generates a 2×2 matrix whose i,j^th entry is a[i,j]. Here is another way to produce the same matrix.

ListLinePlot[{y_1, y_2, ...}] plots a line through a list of values, assumed to correspond to x coordinates 1, 2, .... ListLinePlot[{{x_1, y_1}, {x_2, y_2}, ...}] plots a ...

Links[] gives a list of all MathLink connections that are currently open. Links[patt] lists only links whose names match the specified string pattern.

PlotStyle is an option for plotting and related functions that specifies styles in which objects are to be drawn.