Level
(Built-in Mathematica Symbol) Level[expr, levelspec] gives a list of all subexpressions of expr on levels specified by levelspec. Level[expr, levelspec, f] applies f to the sequence of subexpressions.
Mathematica provides efficient system-independent direct access to all aspects of files of any size.
GrayLevel[level] is a graphics directive that specifies the gray-level intensity with which objects that follow should be displayed. GrayLevel[g, a] specifies opacity a.
ScriptLevel is an option for selections that is used in determining the font size of modifiers such as subscripts and superscripts in a nested expression.
The Part function allows you to access specific parts of Mathematica expressions. But particularly when your expressions have fairly uniform structure, it is often convenient ...
AllowScriptLevelChange is an option for fractions and grids that controls whether certain operators, such as \[Sum], \[Product], and \[Integral], always appear smaller than ...
Like everything else in Mathematica, notebooks are ultimately symbolic expressions. When you edit notebooks—or apply high-level programmatic functions—Mathematica ...
The core of Mathematica's unique power for building interfaces is in its extremely flexible high-level symbolic paradigm. But Mathematica also allows you to build interfaces ...