The D.P.F.D.: a double precision (18 digits) floating decimal setup for IBM's Model II CPC.

The D.P.F.D.: a double precision (18 digits) floating decimal setup for IBM's Model II CPC.

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A description of a three address, double precision (18 digits) floating decimal computing system, called the D.P.F.D., for IBM's Model II Card Programmed Calculator. A complete set of diagrams for wiring a set of IBM plug panels for this system is co...