Development of Novel Softwares for Education Using Microcomputers (Simulation of Chemical Reactions by the Techniques of Computer Graphics)

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The following novel softwares were developed. These softwares were evaluated through classroom demonstrations. (1) Simulation of the experiment of Rutherford (2) Simulation of a progressive wave (animation) (3) Simulation of a standing wave (animation) (4) Simulation of the experiment of diffraction (5) Graphical representation of the wave-particle duality (6) Representation of atomic orbitals in various ways (7) Representation of hybridized orbitals in various ways (8) Representation of molecular orbitals in various ways (9) New softwares for interactive molecular orbital calculation (10) Molecular design of coloring materials (11) An interactive software for building up molecular structure on a computer (molecular geometry input) (12) A real-time representation of the movement of molecular models on a microcomputer ( Vibration, partial rotation, enlarge, shrink, packing, and so on).