  Analog computers can be revived as a feasible technology platform for low
precision, energy efficient and fast computing. We justify this statement by
measuring the performance of a modern analog computer and comparing it with
that of traditional digital processors. General statements are made about the
solution of ordinary and partial differential equations. Computational fluid
dynamics are discussed as an example of large scale scientific computing
applications. Several models are proposed which demonstrate the benefits of
analog and digital-analog hybrid computing.
