Texas Instruments TI-80 User Manual - Page 122
LIST OPS Operations, OPS MATH, SORTA
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LIST OPS Operations Press 2 = to display the list operations on the LIST OPS menu. LIST OPS Menu SORTA( SORTD( OPS MATH 1: SORTA( 2: SORTD( 3: DIM 4: SEQ( Sorts lists in ascending order. Sorts lists in descending order. Accesses the list dimension. Creates a sequence. Note: SORTA( and SORTD( are the same as SORTA( and SORTD( on the STAT EDIT menu. SORTA( (sort ascending, LIST OPS, item 1) and SORTD( (sort descending, LIST OPS, item 2) have two uses. ¦ With one list name, they sort the elements of an existing list and update the list in memory. ¦ With two to six list names, they sort the first list and then sort the remaining lists as dependent lists, placing their elements in the same order as their corresponding elements in the first list. This allows you to keep sets of related data in the same order when you sort lists. All of the lists to be sorted must be the same length. The sorted lists are updated in memory. Note: You can reference a specific list only once in these instructions. SORTA(listname) SORTA(keylistname,dependlist1,dependlist2, . . .) SORTD(listname) SORTD(keylistname,dependlist1,dependlist2, . . .) * 8-6 Lists