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Libraries
A library is a TI-Nspire™ document that contains a collection of variables,
functions, and/or programs that have been defined as library objects.
Unlike ordinary variables, functions, and programs, which can be used only
within a single problem (the problem in which they are defined), library objects
are accessible from any document. You can even create public library objects
that appear in the TI-Nspire™ Catalog.
For example, suppose you have created library document matrix containing
public library function diagwithtrace() and a private library function errmsg().
Function diagwithtrace() displays the diagonal of a square matrix and
calculates the trace of the matrix. If its input is not a square matrix, the function
calls errmsg(), which should then return an appropriate error string.
You could then use the following syntax to display the diagonal and calculate
the trace of matrix m defined in the current problem:
matrix\diagwithtrace(m)
Libraries 477