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.
Questions on undocumented functionality of Mathematica. Note that such functions might be subject to change without notice in future versions.
Questions about functions which maintain an expression in unevaluated form, including the use and behavior of Unevaluated, Hold~ functions, Inactive related functions or Hold~ attributes.
Questions on finding existing Mathematica implementations or expertise to address a clearly stated problem.
the ultimate atoms of symbolic data. Every symbol has a unique name, exists in a certain Mathematica context or namespace, and can have a variety of types of values and attribu…
a suite of Mathematica functions that implement a protocol for the communication/interfacing of Mathematica with external programs.
Questions on the construction and manipulation of sparse arrays in Mathematica, with functions like SparseArray and Band.
an option for graphics functions that specifies where tick marks are placed on axes. It includes options for automatic placement, specific positions, as well as styling options.
Questions about the form and content of output returned by Mathematica for a given input or function application. This can include specific differences produced by older versions of Mathematica.
Questions about any kind of interaction with TeX, LaTeX, and friends, including transferring text/code to/from TeX, using Mathematica graphics in LaTeX documents etc.
Questions about using, converting, or interpreting units of measurement in Mathematica.
Questions on the application of Mathematica to geography, including the use of the CountryData and CityData functions. Not to be confused with geodesy.
Questions relating to Mathematica's sound and audio functionality, including Play, Sound, Audio and Speak.
Questions on the Computable Document Format (CDF) that allows Mathematica notebooks to be embedded within media for easy viewing and manipulation. Do not use this tag for questions on cumulative distr…
the imitation of the operation of a real-world process or system over time.
Questions about transformation rules in Mathematica--constructs that let you set, or programmatically modify, local values for expressions.
Questions on sequences where adjacent samples are time-correlated, making the data suitable for modeling the behavior of the sampled system.
For questions on interfacing or getting Mathematica to work together with other software or technologies.
For interacting with the Mathematica front-end using the keyboard: shortcut keys, KeyEvents, keyboard navigation, etc.
Tag for the usage of RSolve, RecurrenceTable, DifferenceRoot, and other functions related to difference equations.
Questions on the use or manipulation of Mathematica variables (i.e. names associated with a changeable value). Use [variable-definitions] or [assignment] for questions on variable context localization…
For questions relating to assignments to symbols, patterns, or expressions.
specific to Windows platforms. This includes questions about the windows file system, installation issues, COM interfacing, running external programs etc.
Questions about building charts in Mathematica. This includes generating the graphics, prettifying them, and using methods to extract their data.
Questions relating to different typefaces and their use in various Mathematica outputs, including graphics, notebooks and exported output.
Digital signal processing of sound, video or other single or multidimensional data
Questions on dealing with vector calculus functions of Mathematica such as Grad, Div, Curl, Laplacian and their representations in various coordinate systems.
Questions about handling with inequalities with, e.g., Reduce, Solve, FindInstance etc., their application in defining Regions, and ways to incorporate them into other computations, e.g. integration.
Questions about using Mathematica for accessing web sites and using such functions as URLFetch and URLSave.
Questions on changing Mathematica expressions of one type or format to another, for example date formats, Boxes and other typesetting representations, or different units of measurements.
welcome, as long as they are asked honestly, explain the problem, and show sufficient effort. Please do not use this as the only tag for a question. Please do not add this tag t…
indicate that a question presents code or methods that may lead to a crash. Useful as a warning to prevent other users from experiencing the same without having saved their work.
Questions about implementing or applying functions which: (1) always yield the same result for the same input, (2) are independent of outside information, and (3) produce no side effects.
Questions about using or composing operators--functional mappings from one state or vector space to another.