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Portable Network Graphic  |  1999-01-01  |  1.6 MB  |  1420x702  |  24-bit (116,569 colors)
   ocr: Calculator II MacDose Distribution Calculator II is a basic desktop MacDose provides instruction calculator, perfect for math on how x-ray photons interact students or anyone in need of a in matter. It simulates the quick answer. photoelectric effect, Compton scattering, and pair production in a 2-dimensional water phantom for a source infinitely distant. Distant Suns Distant Suns will take both casual sky watchers and outer amateur reaches astronomers of the to Universe the NASA Learning and back. It allows viewing of This is a three pack of NASA the stars and planets, as they learning books. ...