Z transform library for the 50g

[Simone Cerica]

Neopolys
http://www.hpcalc.org/details.php?id=3169

A definitive polynomial library. Supports Laplace and Z transforms.

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Z-Transformada
http://www.hpcalc.org/details.php?id=4541

Performs the Z-transform of a continuous system.

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MATH-PACK (35€)
http://heuson-software.de/heusoneng.htm

Plot the inverse of a function or determine its curvature.
Multivariate function tables and curl in spherical coordinates.
Complex roots or residues of complex functions.
Torsion of curves or fundamental forms of a surface.
Analyze data with frequencies or classes.
Determine Fourierseries or Fouriertransform.
Evaluate or solve matrix and vector equations.
Solutions, methods for over 100 ordinary and partial differential equations.
Differentiation, integration, values of many special functions.
Determine distributions, percentiles and fit of functions.
Perform Z-transforms and solve linear difference equations.