Some of the functionality in Graphics`Spline` has been added to the built-in Mathematica kernel.

 

Mathematica provides direct access to a large volume of mathematical data, specially organized and created for Mathematica. The data is available in a wide range of forms ...

Mathematica provides unified graphics support for 2D and 3D polygons, allowing all standard Mathematica colors and transparency to be used for both faces and edges, as well ...

Probability and statistics are used to model uncertainty from a variety of sources, such as incomplete or simplified models. Yet you can build useful models for aggregate or ...

Introduced soon after ordinary hypergeometric functions, the q functions have long been studied as theoretical generalizations of hypergeometric and other functions. ...

Mathematica not only allows you to mix arbitrary graphics into text, but also provides convenient font characters for some common shapes and icons.

Mathematica allows arbitrary hierachical namespaces. However, several standard "contexts" are conventionally used for predefined purposes.

Mathematica provides built-in functions for generating standard structure matrices and convolution kernels in any number of dimensions, in a form that can be used directly in ...

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