> | ## 7.10 LETTERPLACE libraries The content of libraries, created for LETTERPLACE is described in the following subsections. Use the `LIB` command for loading of single libraries.
> 7.10.1 fpadim_lib |  | Vector space dimension, basis and Hilbert series for finitely presented algebras
> 7.10.2 fpalgebras_lib |  | Numerous predefined finitely presented algebras
> 7.10.3 fpaprops_lib |  | Algorithms for properties of finitely presented algebras
> 7.10.4 freegb_lib |  | Initialization and convenience tools for Letterplace
> 7.10.5 ncHilb_lib |  | Hilbert functions for non-commutative finitely presented algebras
> 7.10.6 ncrat_lib |  | Handling non-commutative rational functions
See also ncfactor_lib for the factorization of polynomials in noncommutative algebras.

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