The WANDA code is a two-to-four group, one-dimensional reactor design code for the minimum IBM-704 computer with not less than four logical drums. Although it was designed primarily to do the spatial integration in a one-dimensional burnout or depletion code (designated as CANDLE), it has itself proved to be an effective tool in a wide variety of problems. Some of the many options of the code include the choice of three types of geometry, four sets of boundary con¬ditions, three kinds of criticality searches or no criticality search, and the choice of specifying certain of the data either regionwise or pointwise. When the data are specified regionwise, the solutions are exactly those (except for round-off error) given by the IBM-650 Li'l Abner code 3.
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