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Science: Math: Software

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SNAP  - http://www.ms.unimelb.edu.au/~snap  Exact computation of hyperbolic 3-manifolds and their arithmetic invariants. Written by O. Goodman in an ARC-funded project of Hodgson and Neumann.  The Kenzo Program  - http://www-fourier.ujf-grenoble.fr/~sergerar/Kenzo/  A computer program for computational algebraic topology.  Geomview  - http://www.geomview.org/  Interactive 3D viewing program for Unix. Free under GPL.  OPTi  - http://vivaldi.ics.nara-wu.ac.jp/~wada/OPTi/  Macintosh freeware which visualizes quasi-conformal deformations of the once-punctured-torus groups. It interactively draws the isometric circles, the Ford region, and the limit set.  Liverpool University Knot Theory Group Programs and Procedures  - http://www.liv.ac.uk/~su14/knotprogs.html  Four programs, each calculating some invariant from a closed braid presentation. Free to download. Pascal.  MING  - http://www.math.uiowa.edu/~wu/min/ming.html  Computes the MD energy of a polygonal knot. Available via ftp.  SnapPea PC  - http://home.att.net/~Manoharan/SnapPea/snappea.html  SnapPea for Windows 95/98/NT by A.C. Manoharan.  Simplicial Homology  - http://www.eecis.udel.edu/~dumas/Homology/  A proposed GAP share package. May be tried online.  SnapPea  - http://www.geometrygames.org/SnapPea/  A program for creating and studying hyperbolic 3-manifolds. Free source available in C.  Topology and Geometry Software  - http://www.geometrygames.org/  A collection of educational, graphical and research software by Jeff Weeks.  CompuTop Software Archive  - http://www.its.caltech.edu/~dunfield/computop/  Computational low-dimensional topology collected by Nathan Dunfield.  Additions to SnapPea  - http://www.its.caltech.edu/~dunfield/snappea/  With related tables, by Nathan Dunfield.