HP 39GS hp 39gs_user's guide_English_E_HDPMG39AE13.pdf - Page 213

REVERSE SIZE ΣLIST SORT position of the first occurrence is returned. A value of 0 is returned if there is no occurrence of the specified element. POS(list, element) Example POS ({3, 7, 12, 19},12) returns 3 Creates a list by reversing the order of the elements in a list. REVERSE(list) Calculates the number of elements in a list. SIZE(list) Also works with matrices. Calculates the sum of all elements in list. ΣLIST(list) Example ΣLIST({2,3,4}) returns 9. Sorts elements in ascending order. SORT(list) Finding statistical values for list elements To find values such as the mean, median, maximum, and minimum values of the elements in a list, use the Statistics aplet. Example In this example, use the Statistics aplet to find the mean, median, maximum, and minimum values of the elements in the list, L1. 1. Create L1 with values 88, 90, 89, 65, 70, and 89. { 88 90 89 65 70 89 } L1 Lists 16-9