Humans have always desired mechanical aids to computations. There is evidence of "computing" devices such as the present-day abacus, from as early as the thirteenth century C.E. The first computing devices were accumulators only capable...

Unlike a digital computer, which performs calculations strictly upon numbers or symbols, an analog computer translates continuously varying quantities such as temperature, pressure, weight, or speed into corresponding voltages or gear movements. It...

An analog computer (spelled analogue in British English) is a form of computer that uses continuous physical quantities such as electrical[1], mechanical or hydraulic phenomena to model the problem being...