Assuming[assum, expr] evaluates expr with assum appended to $Assumptions, so that assum is included in the default assumptions used by functions such as Refine, Simplify, and ...

Counting roots of polynomials. CountRoots accepts polynomials with Gaussian rational coefficients. The root count includes multiplicities. This gives the number of real roots ...

SQLConnectionPool[...] is an object that represents a connection pool to a data source.

Finding lines that contain specified text. Here is a file containing some text. This returns a list of all the lines in the file containing the text is.

The CCompilerDriver Package lets you work with C compilers that are installed on your computer. It lets you build executables, libraries, and object files from C source code. ...

Database connection pools are a common way to improve the performance of database operations. They can be useful because creating a new connection can easily take several ...

ToVerboseXML[expr] generates an equivalent SymbolicXML expression that explicitly exposes all the namespace information for elements and attributes in expr. ...

Mathematica provides a complete data manipulation language with vast flexibility in rearranging lists with any number of elements in any kind of structure.

You may want to export data from Mathematica to a spreadsheet. Excel is one example of a common spreadsheet format that Mathematica supports.

The integrated visualization capabilities of Mathematica provide many tools to show data in 3D. The ability to plot points, surfaces, and contours, combined with the ...