\[DifferenceDelta] (Mathematica Character Name)

Unicode: 2206 Alias: Esc diffd Esc. Prefix operator with built-in evaluation rules. _ky is by default interpreted as DifferenceDelta[y,k]. You can use \[InvisibleComma] in ...

\[DiscreteRatio] (Mathematica Character Name)

Unicode: F4A4 Alias: Esc dratio Esc. Prefix operator with built-in evaluation rules. _ky is by default interpreted as DiscreteRatio[y,k]. You can use \[InvisibleComma] in ...

\[DiscreteShift] (Mathematica Character Name)

Unicode: F4A3 Alias: Esc shift Esc. Prefix operator with built-in evaluation rules. _ky is by default interpreted as DiscreteShift[y,k]. You can use \[InvisibleComma] in the ...

\[Equivalent] (Mathematica Character Name)

Unicode: 29E6 Alias: Esc equiv Esc. Infix operator with built-in evaluation rules. x ⧦ y is by default interpreted as Equivalent[x,y]. Not the same as \[DoubleLeftRightArrow] ...

\[Xnor] (Mathematica Character Name)

Unicode: F4A2 Alias: Esc xnor Esc. Infix operator with built-in evaluation rules. x  y is by default interpreted as Xnor[x,y].

Notation Package (Notation Package Guide)

The Notation Package allows you to extend Mathematica so it understands and functions correctly with new typeset notations. Typically, new notations are defined by ...

BesselK (Built-in Mathematica Symbol)

BesselK[n, z] gives the modified Bessel function of the second kind K_n (z).

BesselY (Built-in Mathematica Symbol)

BesselY[n, z] gives the Bessel function of the second kind Y_n (z).

ProteinData (Built-in Mathematica Symbol)

ProteinData["prot"] gives the reference amino acid sequence for the protein prot.ProteinData["prot", " property"] gives the value of the specified property for the protein ...

Attributes (Mathematica Tutorial)

Definitions such as f[x_]=x^2 specify values for functions. Sometimes, however, you need to specify general properties of functions, without necessarily giving explicit ...