A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.

Type to find tags:
× 417
Questions on typesetting and making your expressions, matrices, operators, equations or formulae look how you want them to.
× 395
Questions seeking help understanding error messages and fixing errors.
× 390
Questions on the use of the Table[] command and other functionality related to lists. Use [tag:matrix] for matrix algebra and related methods, and [tag:list-manipulation] for questions about transform…
× 385
self-contained bundles of Mathematica code that add new functions and other functionality.
× 381
Questions on the interpolation functions in Mathematica (Interpolation[], ListInterpolation[], FunctionInterpolation[], InterpolatingPolynomial[], etc.)
× 372
Questions on parallel computing in Mathematica.
× 364
Questions about random number generation and the properties of numbers so generated.
× 362
Questions on the special mathematical functions implemented in Mathematica.
× 354
Questions about using complex numbers in Mathematica. This includes basic arithmetic, functions of complex numbers, plotting complex functions, and dealing with branch cuts.
× 352
Questions on systematic data handling and analysis, including data correction, manipulation, or selection of user-data or built-in data available with Mathematica.
× 337
Questions on the functionality operating on polynomials
× 332
Tag for questions about bitmapped graphics, particularly those using the Image function.
× 323
Questions dealing with optional named arguments of Mathematica functions.
× 308
Questions about the generation and use of compiled functions using Compile.
× 304
For questions about distributions built-in in Mathematica, and functions that operate on them. Also includes questions about defining your own distributions.
× 291
Questions on Mathematica's ability to create "moving pictures" from its graphical output, including exporting these animations to other formats.
× 286
Questions on constructing graphical objects using relatively complex computations relating to the mathematical structures defining those objects. Examples include convex hulls, Voronoi diagrams, Delau…
× 276
Questions using the Sum command, especially for series and other algebraic objects, and related functions such as SumConvergence
× 275
For questions about defining recursive functions, recursive algorithms and solving recursive equations.
× 274
Questions on dealing with series data and constructing power series expansions of functions.
× 273
How to manipulate expressions structurally, not necessarily complying with the rules of algebra.
× 261
Questions on legends, figures (usually insets) that indicate what those lines/bars/points in plots refer to, using arrangements of graphic elements and text, whether manually or using built-in functio…
× 248
Questions on the basic structure of the Mathematica language (Wolfram language) including atomic data types, syntax etc
× 246
Questions on the application of Mathematica to geometric problems. You might also consider adding the [graphics] tag, if appropriate.
× 241
Mathematical vectors, operations on vectors and vectorized programming.
× 239
Questions about functionality that defines or operates on regions (i.e., an open, connected set), including geometric, mesh-based, or data and formula-defined regions.
× 237
Since version 7, Mathematica includes gigabytes of curated data relevant to many different fields, including physics, chemistry, graph theory, finance, geography and many more.
× 237
The art of manipulating an algebraic expression into the desired form.
× 234
the study of the visual representation of data, meaning "information that has been abstracted in some schematic form, including attributes or variables for the units of informati…
× 233
Questions on assigning and unassigning definitions to names that represent them, including issues raised by context and localization. Use tag [assignment] for issues relating to Set versus SetDelayed.
× 231
Questions on the Dataset data type and related functionality introduced in version 10. Do not use for questions on data in more generic list format or data-manipulation questions generally.
× 230
Questions on Mathematica's scoping constructs (Block, Module, With, etc.)
× 229
Questions about Mathematica's functional programming style, including the use of pure functions (Function[], #, &) and functions such as Map, Apply, Nest, and Through.
× 217
Questions on obtaining files and directory structure/information and manipulating the said structure/information, searching/renaming particular files in a directory, etc., in an OS independent manner.
× 215
Questions on the discrete and continuous Fourier analysis functions of Mathematica, as well as the FourierSeries` package.
× 208
Questions on the associative data-structure introduced in Mathematica version 10.