Abstract
Some animation programs have been developed for computer aided education on fluid dynamics. In the first report tracer method was applied to them. The programs in the present report were used methods in which screens were successively exchanged to animate, in which parts of screen were moved by "GET" and "PUT" commands or in which pictures were drafted in disappeared screen every moment. They were applied to sloshing in a square tank, secondary flows in a bent pipe and a square pipe, a convergent flow, Couette flow and a forced vortex.
