G^N 对比 iMolecular Builder 的使用情况和统计数据

G^N is a special calculator not just a game: This math app animates iterations of one or compositions of two multi-valued maps for free groups of in principle arbitrary finite rank in the abelian and non-commutative cases respectively (in this version the rank is restricted to values in between 2 and 11). Well-known examples of such multi-valued maps are permutations, for example the flip (x_1,x_2)->(x_2,x_1), in G^N we just write (1,2)->(2,1) and instead of the inverse we convenient flip the number. A more involved type of such a multi-valued map is the n+1 cycle defined by (1,...,n)->(-2-3-...-n-1,3,4,...,n,1), a non-trivial theorem. For example if n=2 this map is the hexagon (1,2)->(-2-1,1), this map applied twice reads (1,2)->(2,-2-1) and the third iteration is the identity map (1,2)->(1,2).

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iMolecular Builder

The IMoleBuilder is an application that can view, edit and build molecules in 3D. Users can easily analyze a molecular structure by rotating, moving, and zooming it. [Support file format] PDB : Protein Data Bank format(*.pdb) MOL : MDL Mole files(.mol) XYZ : XYZ cartesian coordinates(*.xyz) MOL2: Sybyl Mol2 format(*.mol2) CIF : Crystallographic Information RES : ShelX format [Read-only] SMO : Save all molecular information(include cell, surface, measure information) and view window information(scale, rotation, etc.) (*.smo) [Open & Save] Device FTP Server Web(Open only) Email(Open an email attachment) SMole:(iMoleBuilder for Windows - You can download from IMoleBuilder Support page for free.) [View style] Line, Ball, Stick, Ball & Stick, Scaled Ball, Solvent. Surface, Ribbon, Cartoon, Tube, Trace. [Work Tool] Cursor tool, Info tool, Add tool, Delete tool, Measure tool. [Builder] Molecular Builder , Crystal Builder, Surface Builder, Carbon Nanotube Builder, Force Field. [Measure] Coordinate, Length, Angle, Torsion information.