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  <tmdoc-title|The <name|Yacas> system>

  <hlink|<name|Yacas>|http://www.yacas.org> is, as it's name suggest, yet
  another computer algebra system. Things implemented include: arbitrary
  precision, rational numeric, vector, complex, and matrix computations
  (including inverses and determinants and solving matrix equations),
  derivatives, solving, Taylor series, numerical solving (Newtons method),
  and a lot more non-mathematical algorithms. The language natively supports
  variables and user-defined functions. There is basic support for univariate
  polynomials, integrating functions and tensor calculations. <name|Yacas> is
  still under development.

  <tmdoc-copyright|1998--2002|Joris van der Hoeven>

  <tmdoc-license|Permission is granted to copy, distribute and/or modify this
  document under the terms of the GNU Free Documentation License, Version 1.1
  or any later version published by the Free Software Foundation; with no
  Invariant Sections, with no Front-Cover Texts, and with no Back-Cover
  Texts. A copy of the license is included in the section entitled "GNU Free
  Documentation License".>
