An improved simulator for an analytical instrument that provides the student with an experience similar to that of operating the actual instrument. In one preferred embodiment, the invention combines real functionality and simulated functionality where at least one function of the analytical instrument is real. In another preferred embodiment, the invention combines a functional first instrument along with a simulation of a second instrument, the simulation including both hardware with limited functionality and software that simulates the output of a functional instrument to create a teaching aid for use in classrooms and teaching laboratories.


> Systems and methods for retail selling that integrates children's recreation, retail selling, and company advertising and sponsorship

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