MeanDeviation (Built-in Mathematica Symbol)

MeanDeviation[list] gives the mean absolute deviation from the mean of the elements in list.

MedianDeviation (Built-in Mathematica Symbol)

MedianDeviation[list] gives the median absolute deviation from the median of the elements in list.

MemberQ (Built-in Mathematica Symbol)

MemberQ[list, form] returns True if an element of list matches form, and False otherwise. MemberQ[list, form, levelspec] tests all parts of list specified by levelspec.

MeshFunctions (Built-in Mathematica Symbol)

MeshFunctions is an option for plotting functions that specifies functions to use to determine the placement of mesh divisions.

Mesh (Built-in Mathematica Symbol)

Mesh is an option for Plot3D, DensityPlot, and other plotting functions that specifies what mesh should be drawn.

MessageName (Built-in Mathematica Symbol)

symbol::tag is a name for a message.

Message (Built-in Mathematica Symbol)

Message[symbol::tag] prints the message symbol::tag unless it has been switched off. Message[symbol::tag, e_1, e_2, ...] prints a message, inserting the values of the e_i as ...

Method (Built-in Mathematica Symbol)

Method is an option for various algorithm-intensive functions that specifies what internal methods they should use.

MexicanHatWavelet (Built-in Mathematica Symbol)

MexicanHatWavelet[] represents the Mexican hat wavelet of width 1.MexicanHatWavelet[\[Sigma]] represents the Mexican hat wavelet of width \[Sigma].

MinimalPolynomial (Built-in Mathematica Symbol)

MinimalPolynomial[s, x] gives the minimal polynomial in x for which the algebraic number s is a root.