Log[z] gives the natural logarithm of z (logarithm to base e). Log[b, z] gives the logarithm to base b.

PiecewiseExpand[expr] expands nested piecewise functions in expr to give a single piecewise function. PiecewiseExpand[expr, assum] expands piecewise functions using ...

With <<, you can read files that contain Mathematica expressions given in input form. Sometimes, however, you may instead need to read files of data in other formats. For ...

Sometimes it is useful to work directly with the request message that is sent to a web service. This message may be retrieved using the ToServiceRequest function. ...

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. ...

Mathematica comes with all the tools and configuration so you can immediately carry out parallel computing. Note that, to take advantage of parallel computing it is often ...

This example demonstrates the benefit of supplementing Mathematica functionality with GUIKit user interface elements leveraging existing third-party graph model and editing ...

This tutorial discusses how the GUIObject expression for a running GUI can be a handle to the widgets that make up the interface. This lets you get runtime information about ...

Mathematica works with both exact quantities and approximate numbers. Using N , you can obtain a numerical approximation to an exact quantity with any desired precision or ...

Matrices are represented in Mathematica with lists. They can be entered directly with the { } notation, constructed from a formula, or imported from a data file. Mathematica ...