AcyclicGraphQ[g] yields True if the graph g is an acyclic graph and False otherwise.

x += dx adds dx to x and returns the new value of x.

AlgebraicNumberDenominator[a] gives the smallest positive integer n such that n a is an algebraic integer.

AllowScriptLevelChange is an option for fractions and grids that controls whether certain operators, such as \[Sum], \[Product], and \[Integral], always appear smaller than ...

Appearance is an option for displayed objects such as Button and Slider that specifies the general type of appearance they should have.

ArrayComponents[array] gives an array in which all identical elements of array are replaced by an integer index representing the component in which the element ...

ArrayDepth[expr] gives the depth to which expr is a full array, with all the parts at a particular level being lists of the same length, or is a SparseArray object.

AutoIndent is an option for Style and Cell that specifies what automatic indentation should be done at the beginning of a new line after an explicit return character has been ...

AutoMultiplicationSymbol is an option for objects such as Cell and Notebook that specifies whether to automatically display a multiplication symbol between numbers that would ...

AutorunSequencing is an option for Manipulate that specifies how autorun should use the controls provided.