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:
× 513
Questions relating to the dynamic family of functions in Mathematica, such as Dynamic, DynamicModule and Manipulate.
× 2
× 28 × 11
× 60 × 10
× 2
× 9
× 8 × 2
× 13 × 12 × 1039
Questions on the analytic and numeric equation solving functions of Mathematica (Solve, Reduce, NSolve, FindRoot, DSolve, RSolve, etc.).
× 27
Questions seeking help understanding error messages and fixing errors.
× 189
For questions on interpreting existing error messages that you have encountered, as well as writing and managing messages, assertions and checks for your own functions.
× 18 × 12
× 467
Questions about how Mathematica evaluates expressions, tracing evaluation (Trace*), handling expressions in unevaluated form (Hold*, Unevaluated), nonstandard evaluation, etc.
× 44
Questions asking for an example to be provided, or asking for help understanding examples.
× 63
For questions about importing from or exporting to Microsoft Excel sheets, and interfacing to Microsoft Excel using COM or other methods.
× 2
× 13
The utilization of advanced computing technology in mathematical research: new mathematical results discovered partly or entirely with the aid of computer-based tools.
× 539
Questions on converting data, graphics, sound etc. from Mathematica into other file formats.
× 20 × 135
How to manipulate expressions structurally, not necessarily complying with the rules of algebra.
× 28
Questions about Mathematica's predicate functions.
× 28
Questions on calling external executables, not necessarily through MathLink.
× 32 × 14
Tag for the usage of "FiniteElement" Method embedded in NDSolve and implementation of finite element method (fem) in mathematica.
× 129
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.