x^y gives x to the power y.

Composition[f_1, f_2, f_3, ...] represents a composition of the functions f_1, f_2, f_3, ....

AccuracyGoal is an option for various numerical operations which specifies how many effective digits of accuracy should be sought in the final result.

ContourStyle is an option for contour plots that specifies the style in which contour lines or surfaces should be drawn.

NumberFieldRegulator[a] gives the regulator of the field \[DoubleStruckCapitalQ][a] generated by the algebraic number a.

BaseStyle is an option for formatting and related constructs that specifies the base style to use for them.

Simplifying expressions. Mathematica does not automatically simplify an algebraic expression like this. Simplify performs the simplification.

Mathematica's core tree-oriented symbolic language makes it well suited to working with a hierarchical view of C code as Mathematica expressions. This supports the use of the ...

MapIndexed[f, expr] applies f to the elements of expr, giving the part specification of each element as a second argument to f. MapIndexed[f, expr, levelspec] applies f to ...

The precedence of any new notation or operator is determined by examining the components from which it is constructed. For instance, +_ ℛ is grouped according to the ...