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.

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for questions that involve tensors. Tensors are fundamental tools for linear computations, generalizing vectors and matrices to higher ranks. Mathematica 9 introduces powerful methods to …
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specific to Windows platforms. This includes questions about the windows file system, installation issues, COM interfacing, running external programs etc.
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Questions about interfacing Mathematica and Java, particularly using J/Link.
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an integrated development environment, built on top of Eclipse, that is intended to be used for working with Mathematica and other Wolfram Research software.
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Questions on the construction and manipulation of sparse arrays in Mathematica, with functions like SparseArray[] and Band[].
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For questions specific to Version 7 of Mathematica.
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For questions about importing from or exporting to Microsoft Excel sheets, and interfacing to Microsoft Excel using COM or other methods.
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Questions about the Mathematica control type InputField.
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Questions relating to Mathematica's sound and audio functionality, including Play, Sound and Speak
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Questions about calculating with units in Mathematica.
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used in Mathematica to organize defined symbols and avoid conflict between symbols that would otherwise have the same name. They are created when packages are loade…
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Question concerning the function Control and its specialized variants, Manipulator, Slider, Locator, Trigger, InputField, etc, which were introduced in V7 for GUI building. Also, questions about the u…
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the imitation of the operation of a real-world process or system over time.
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For questions on the use of machine-precision real numbers (also known as floats), the numbers that can be directly manipulated through the underlying numerical capabilities of your computer system.
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Questions on filtering or selecting data based on certain criteria. This is to be used with primary tags such as list-manipulation, string-manipulation or signal-processing, with the primary tag indic…
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Questions on undocumented functionality of Mathematica. Note that such functions might be subject to change without notice in future versions.
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Questions about integrating Mathematica and .Net using the .NET/Link functionality provided with Mathematica.
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For questions about MathematicaScript, or running the kernel without direct user interaction.
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Questions on how to write code in a better or different style, using Mathematica's capabilities for coding in multiple styles.
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Questions on dealing with vector calculus functions of _Mathematica_ such as `Grad`, `Div`, `Curl`, `Laplacian` and their rperesentations in various coordinate systems.
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For questions about accessing a kernel on a remote/different computer either directly from the front-end or as a slave kernel to a locally running master kernel.
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for questions about creating and using custom notations. For help on the use of the built-in operators, see syntax.
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Questions on the financial functions of Mathematica.
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Use this for questions about calling Wolfram Alpha from Mathematica. Questions about Wolfram Alpha itself are off-topic.
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