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i. job, 3 control End of Run Card - ER. Following the last card (EJ or blank cards and card ER should be included. When card is transferred from the program by ending on a STOP. J2) of the last ER is read, j. ?ingle Job. The minimum required cards for a single job using one cross section would be cards Tl, T2, T3, Jl, NC, Xl, GR, EJ, 3 blanks and ER. The other cards are optional and would only be included if they applied. k. ~ultiple Jobs. Where several jobs are to be computed during the same run (stacked jobs), the same cards are required as for a single run, except that the card following card EJ would be card Tl for the next job, and so on. Where it is desired to use the same cross sections for other jobs, variable NPROF on card J2 would be used. In this case the only cards required would be cards Tl, T2, T3, Jl, and J2. This option could only be used after the cross sections have been read in on the first job. 1. Card Format. Each data card is layed out in ten fields of eight columns each. One variable is used for each field except the first field, where the first two card columns are used for the card identification characters. The format specification for each data card is A2, F6.O, and 9F8.0. If decimal points are not punched in the data, all numbers must be right justified within the field. Where the user desires to punch a decimal point it may appear anywhere within the field. All blank fields are read as zeros. ~linus one (-1) and plus one (1) are used in the program to specify certain program options. Any number without a sign is considered positive. m. Tapes. All data cards are read at the beginning of the program and stored on tape 6. The tape is then rewound' and the data cards are read from tape 6 individually. Tape 7 is used to store the plotted cross sections and tape 8 is used to store information used for plotting the profile. Tape 9 is used to store comment card for later printout. 6. OUTPUT a. Cross Section Data. The first three lines of the output is the job description contained on the three title cards. Following the titles, input data on cards Jl and J2, J3, J4 (if used) are printed. The next output is four lines of variable names used to identify the output data for each cross section. A description of each variable is summarized in exhibit 9. Four lines of corresponding data follow the four lines of variables. When the normal or special bridge routines are used, a note will be printed identifying the routine, together with variable names applicable to the bridge section. These variable names are also described in exhibit 9. Following variable names for the bridge section is the corresponding bridge data. When data for the last cross section has been printed, a plot of the profile is printed. 15