ExampleData["type"] gives a list of names of examples of the specified type.ExampleData[{" type", " name"}] gives the default form of the named example of the specified ...
PathGraph[{v_1, v_2, ...}] yields a path with vertices v_i and edges between v_i and v i +\[ThinSpace]1 .PathGraph[{e_1, e_2, ...}] yields a path with edges ...
Grid
(Built-in Mathematica Symbol) Grid[{{expr_11, expr_12, ...}, {expr_21, expr_22, ...}, ...}] is an object that formats with the expr_ij arranged in a two-dimensional grid.
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Arithmetic Numerical Mathematics in Mathematica The Uncertainties of Numerical Mathematics
Widget["Table"] represents a table.
ColorData["scheme"] gives a function that generates colors in the named color scheme when applied to parameter values. ColorData["scheme", " property"] gives the specified ...
InputAssumptions is an option for WolframAlpha that specifies assumptions for current query input.
When you execute a command like NotebookWrite[obj,data] the actual operation of inserting data into your notebook is performed in the front end. Normally, however, the kernel ...
AccuracyGoal is an option for various numerical operations which specifies how many effective digits of accuracy should be sought in the final result.