MessageList[n] is a global object assigned to be a list of the names of messages generated during the processing of the n\[Null]^th input line.

% n or Out[n] is a global object that is assigned to be the value produced on the n\[Null]^th output line. % gives the last result generated. %% gives the result before last. ...

PadeApproximant[expr, {x, x_0, {m, n}}] gives the Padé approximant to expr about the point x = x_0, with numerator order m and denominator order n.PadeApproximant[expr, {x, ...

Tolerance is an option for various numerical options which specifies the tolerance that should be allowed in computing results.

VectorQ[expr] gives True if expr is a list or a one-dimensional SparseArray object, none of whose elements are themselves lists, and gives False otherwise. VectorQ[expr, ...

Ways to construct nested lists. This generates a table corresponding to a 2×3 nested list. This generates an array corresponding to the same nested list.

The Padé approximation is a rational function that can be thought of as a generalization of a Taylor polynomial. A rational function is the ratio of polynomials. Because ...

PoissonDistribution[\[Mu]] represents a Poisson distribution with mean \[Mu].

CharacterRange["c_1", "c_2"] yields a list of the characters in the range from "c_1" to "c_2".

InverseFourier[list] finds the discrete inverse Fourier transform of a list of complex numbers.