Analog Computers, including: Analog Computer, Slide Rule, Astrolabe, Antikythera Mechanism, Kerrison Predictor, Water Integrator, Tote Board, ... Data Computer, Moniac Computer, Scr-584 Radar

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More info: An analog computer is a form of computer that uses the continuously-changeable aspects of physical phenomena such as electrical, mechanical, or hydraulic quantities to model the problem being solved. In contrast, digital computers represent varying quantities incrementally, as their numerical values change.