A Computer Study on Mach Reflection around a Concave Surface.- Computational Study on Aerodynamic Characteristics of Automobiles.- Use of Multicolor Vectorization of Incomplete LU Preconditioning for the Wilson Fermion on the Lattice.- Supercomputing for Plasma MHD Simulations.- High Accuracy Particle-Particle Particle-Mesh Code and its Application to Laser-Produced Dense Plasma.- Implementation of the Concurrent Scaled Conjugate Gradient Method on the Intel iPSC.- On an O(N log N) Algorithm for the Gravitational N-body Simulation and its Vectorization.- The Performance of the Alliant FX/8 on Two Sets of Benchmarks.- FACOM VP Series E Model.- HITACHI Supercomputer S-820 System Overview.- Parallel Computer MiPAX.- Vectorization of Lanczos Algorithms on the NEC SX Supercomputer System.