Unset (Built-in Mathematica Symbol)

lhs =. removes any rules defined for lhs.

Creating Palettes (Mathematica Tutorial)

Palettes are like extensions of your keyboard. They can be used to perform many actions in Mathematica, including entering typesetting characters, styling notebooks, and ...

LogBarnesG (Built-in Mathematica Symbol)

LogBarnesG[z] gives the logarithm of the Barnes G-function logG(z).

PrimePowerQ (Built-in Mathematica Symbol)

PrimePowerQ[expr] yields True if expr is a power of a prime number, and yields False otherwise.

Through (Built-in Mathematica Symbol)

Through[p[f_1, f_2][x]] gives p[f_1[x], f_2[x]]. Through[expr, h] performs the transformation wherever h occurs in the head of expr.

ComposeList (Built-in Mathematica Symbol)

ComposeList[{f_1, f_2, ...}, x] generates a list of the form {x, f_1[x], f_2[f_1[x]], ...}.

$ReleaseNumber (Built-in Mathematica Symbol)

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

AlgebraicIntegerQ (Built-in Mathematica Symbol)

AlgebraicIntegerQ[a] yields True if a is an algebraic integer, and yields False otherwise.

Generic and Non-Generic Solutions (Mathematica Tutorial)

If you have an equation like 2x==0, it is perfectly clear that the only possible solution is x->0. However, if you have an equation like ax==0, things are not so clear. If a ...

$SyntaxHandler (Built-in Mathematica Symbol)

$SyntaxHandler is a global variable which, if set, is applied to any input string that is found to contain a syntax error.