This is documentation for Mathematica 5, which was
based on an earlier version of the Wolfram Language.
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Handling Data

Mathematica lets you import data in any format, then manipulate it using powerful and flexible functions.

This reads image data from a file.

This visualizes the data as a density plot.

Here the data is successively shifted to the right.

This applies an image filter to the data.

Here is a contour plot of the data.

This is the distribution of gray levels in the data.

Here is a 3D plot based on the data.

Mathematica can work with data of any kind -- not just numbers.

This reads in all the words in a large English dictionary.

This selects words that are palindromes with length more than 4.

This is a plot of the number of words of each length.

Mathematica also has full support for sparse arrays.

This represents a million-by-million identity matrix.