New Developments on Computer Algebra Packages (Andr´es Iglesias, Tetsuo Ida).- A General Computational Scheme for Testing Admissibility of Nilpotent Orbits of Real Lie Groups of Inner Type.- Efficient Implementation of Polynomial Arithmetic in a Multiple-Level Programming Environment.- Development of a Maple Macro Package Suitable for Drawing Fine -Pictures.- Matlab-Based Problem-Solving Environment for Geometric Processing of Surfaces.- A Mathematica Notebook for Computing the Homology of Iterated Products of Groups.- Interfacing Computer Algebra and Mathematical Visualization (Konrad Polthier).- GCLC — A Tool for Constructive Euclidean Geometry and More Than That.- jReality, jtem, and Oorange — A Way to Do Math with Computers.- MuPAD’s Graphics System.- Software for Algebraic Geometry and Related Topics (Nobuki Takayama, Gert-Martin Greuel).- An Efficient Implementation for Computing Gröbner Bases over Algebraic Number Fields.- Tree Checking for Sparse Complexes.- The SARAG Library: Some Algorithms in Real Algebraic Geometry.- Algebraic Computation of Some Intersection D-Modules.- Plural, a Non–commutative Extension of Singular: Past, Present and Future.- Number Theoretical Software (Ken Nakamula, Michael Pohst).- Development of NZMATH.- KASH: Recent Developments.- Methods in Computational Number Theory (David Sevilla, Jaime Gutierrez).- Making Change and Finding Repfigits: Balancing a Knapsack.- Robust HGCD with No Backup Steps.- Free Software for Computer Algebra (Joris Van Der Hoeven).- The Design of CoCoALib.- Software for Optimization and Geometric Computation (Komei Fukuda, Michael Joswig).- Generation of Oriented Matroids Using Satisfiability Solvers.- Flexible Object Hierarchies in Polymake.- A Presentation of the Gfan Software.- Parallel Homotopy Algorithms to Solve Polynomial Systems.- DEpthLAUNAY.- iB4e: A Software Framework for Parametrizing Specialized LP Problems.- Primal-Dual Enumeration for Multiparametric Linear Programming.- A Parallel, Asynchronous Method for Derivative-Free Nonlinear Programs.- Convergent SDP-Relaxations for Polynomial Optimization with Sparsity.- Methods and Software for Computing Mathematical Functions (Amparo Gil, Javier Segura).- Algorithm and Software for Integration over a Convex Polyhedron.- A Matlab Implementation of an Algorithm for Computing Integrals of Products of Bessel Functions.- Computation of the Real Zeros of the Kummer Function M(a;c;x).- Towards Reliable Software for the Evaluation of a Class of Special Functions.- Access to Mathematics on the Web (Paul Libbrecht).- Multimedia Prototype of a Bilingual Model Within Technology Based Learning Environment: An Implementation of a Mathematics Learning Framework.- Methods to Access and Retrieve Mathematical Content in ActiveMath.- Logiweb – A System for Web Publication of Mathematics.- General Track.- Interfacing with the Numerical Homotopy Algorithms in PHCpack.- Computational Construction of a Maximum Equilateral Triangle Inscribed in an Origami.- A System for Interfacing MATLAB with External Software Geared Toward Automatic Differentiation.- KNOPPIX/Math: Portable and Distributable Collection of Mathematical Software and Free Documents.- Stability of Parametric Decomposition.- On the GAP Package sgpviz.- Making Research on Symmetric Functions with MuPAD-Combinat.- Calculating Cocyclic Hadamard Matrices in Mathematica: Exhaustive and Heuristic Searches.- An Interactive User Interface for Division Algorithms and the Buchberger Algorithm.- Experiment of Multithreading Symbolic and Algebraic Computations with OpenMP.- Links to Projects ICMS 2006 (Masayuki Noro, Nobuki Takayama).- Links to Projects. Mathematical Software, icms2006—Developer’s Meeting.