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<br />Subprogram SCALE determines the horizontal and vertical <br />scales for both the profile and cross section plots for <br />either a 120 line or 130 line printer based on the maximum <br />and minimum data to be plotted and the number of pages of <br />plot desired. <br /> <br />Subprogram SLARA makes trial assumptions for the water <br />surface elevation when computinq the starti~g elevation by <br />the slope-area method. <br /> <br />Subprogram SUMPO prints out pre-defined or user-defined <br />summary tables based on tables and variables selected <br />from the J3 card. Selection of cross sections to appear <br />in the summary tables is based on options controlled by <br />the J5 card. SUMPO also punches out cards containinq <br />values of storage and discharge for the routing reaches <br />specified on the J4 card. <br /> <br />Subprogram YCRIT determines the critical depth for a <br />trapezoidal channel. <br /> <br />Subprogram XSEC plots (by printer) the ground profiles, and <br />the low chord and top of roadway profiles. It also plots <br />the water surface and the energy grade line profiles. <br /> <br />Subprogram MAPIT builds a table to locate each variable <br />used by subprogram SUMPO for summary printout. Of the <br />sixty-five variables only those needed are saved for print- <br />out. <br /> <br />Subprogram SAVEIT stores variable TMP in array SAVE at <br />location I,J,K. <br /> <br />FUNCTION QVAR returns a value previously stored in array <br />SAVE at location I,J,K. <br /> <br />21 <br />