On Wed, 26 Jan 2000, Kaus wrote: > analog computers are very efficient. They use op amps with variable voltage > and some digital stuff combined. They just are more expensive to build and > no one supports them. Off topic question, but sort of on the topic of analog computers... Anyone know of a circuit that multiplies two voltages, ie V1 * V2 = Vout? - Gary Marsh, gmarsh@thezone.net