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This software solves the Helmholtz, scalar wave equation so that a laser beam of your choice can be propagated to a target in almost real time. Use one of five different beam propagation methods: FFT-BPM, FD-BPM, HE-BPM, Fraunhofer or Fresnel approximations. Use the source aperture structure tool to create the beam shape with a single beam or multiple beamlets. Propagate using coherent or incoherent beamlets. The full version allows you to simulate atmospheric turbulence. The turbulence can be a function of altitude. Due to ITAR restrictions, the full version of this code can only be sold or given to U.S. citizens or U.S. Companies. Students and teachers get a free license for the full version. Outputs can be saved in BMP and ASCII formats for export to publications and other codes. A large variety of parametric studies can be used for designing high-power laser systems. This software solves the Helmholtz wave equation using a new mathematical technique that is VERY fast. Other similar codes were developed over years of effort at costs of millions of dollars. This code was written by Dr. R. Andrew Motes and is privately owned.