This report describes the FORTRAN computer program used to generate a comprehensive report covering the sequence of operations used to assign mass values to weights submitted to the National Bureau of Standards for calibration. The assignment of these values is accomplished by the method of least squares analysis of the observation of differences between test items and reference items having the same or nearly same density and nominal size. The calculations are defined and the various weighing method options are given. To assist the user, a detailed description of the input data, an input list of error messages, a listing of a sample test case and a listing of the output resulting from the use of the sample test case are given. To assist in the implementation of the computer program, a flow chart, a description of each subprogram, a cross-reference of labeled COMMON, a list of DOUBLE PRECISION variables, a list of EQUIVALENCED variables and other pertinent information is given.
OMNITAB II is a general-purpose interpretive computing system designed to allow a nonprogrammer to use a high-speed computer easily, accurately and effectively. The system permits the user to perform arithmetic operations including complex arithmetic, trigonometric calculations, miscellaneous function calculations, statistical analysis, Bessel function calculations, and operations on matrices and arrays.The OMNITAB II system contains 177 subprograms written in the ANSI FORTRAN language.Every effort has been made to make the system transportable. This publication contains a complete listing of all these subprograms. The listing is preceded by a brief introduction which describes the programming techniques used; the use of system library functions; and the subprograms used to control the flow of operations in the OMNITAB system.
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