(1) The common general mathematical software packages are Matlab, Mathematica and Maple, among which Matlab is good at numerical calculation, while Mathematica and Maple are good at symbolic operation and formula derivation.

(2) The special math package includes:

Drawing software classes: MathCAD, Tecplot, IDL, Surfer, Origin, SmartDraw, DSP 2000.

Numerical calculation classes: Matcom, DataFit, S-Spline, Lindo, Lingo, O-Matrix, Scilab, Octave.

Numerical calculation library: linpack/lapack/blas/germans/imsl/cxml.

Finite element calculation classes: ANSYS, Marc, Parstran, Fluent, Femlab, FlexPDE, Algor, Cosmos, ABAQUS, ADINA.

Mathematical statistics: gauss, SPSS, SAS, Splus

Mathematical formula typesetting category: MathType, Miktex, scientific workplace, scientific Nootbook.

Computational Chemistry: Gauss 98, Sparta, ADF 2000, Chemoffice.

Cocoa, singularity, Macaulay, etc. Does NCS deal with commutative algebra and algebraic geometry? Minitab 14，JMP 5.0，STATA 8.0。