$ReleaseNumber (Built-in Mathematica Symbol)

$ReleaseNumber is an integer which gives the current Mathematica kernel release number, and increases in successive releases.

Expression Structure (Mathematica Guide)

A foundational idea in Mathematica is that all expressions—whatever they may represent—ultimately have a uniform tree-like structure.

ImageType (Built-in Mathematica Symbol)

ImageType[image] gives the underlying type of values used for each pixel element in the Image object image.

MTensor_getType (Mathematica LibraryLink C Function)

mint MTensor_getType (MTensor t) gets the type of an MTensor.

PrimePi (Built-in Mathematica Symbol)

PrimePi[x] gives the number of primes \[Pi] (x) less than or equal to x.

NthPair (Combinatorica Package Symbol)

NthPair[n] returns the n\[Null]^th unordered pair of distinct positive integers, when sequenced to minimize the size of the larger integer. Pairs that have the same larger ...

LucasL (Built-in Mathematica Symbol)

LucasL[n] gives the Lucas number L_n.LucasL[n, x] gives the Lucas polynomial L_n (x).

TraceBackward (Built-in Mathematica Symbol)

TraceBackward is an option for Trace and related functions which specifies whether to include preceding expressions on the evaluation chain that contains the pattern form ...

PolynomialMod (Built-in Mathematica Symbol)

PolynomialMod[poly, m] gives the polynomial poly reduced modulo m. PolynomialMod[poly, {m_1, m_2, ...}] reduces modulo all of the m_i.

KroneckerSymbol (Built-in Mathematica Symbol)

KroneckerSymbol[n, m] gives the Kronecker symbol (n/m).