HP Prime Graphing NW280AAABA manual Aj5E, Aj5 E

ΔLIST	Creates a new list composed of the first differences of a
	list; that is, the differences between consecutive elements
	in the list. The new list has one less element than the
	original list. The differences for {x1, x2, x3,... xn-1,xn} are
	{x2–x1, x3–x2 ,... xn–xn–1}.
	ΔLIST(list1)
	Example:
	In Home view, store
	{3,5,8,12,17,23} in L5
	and find the first
	differences for the list.
	Sq
	3,5,8,12,17,23
	>
	Aj5E
	D
	Select List
	Select ΔList
	Aj5 E

ΣLIST

ΠLIST

Calculates the sum of all elements in a list.

ΣLIST(list)

Example:

ΣLIST({2,3,4}) returns 9.

Calculates the product of all elements in list.

ΠLIST(list)

Example:

ΠLIST({2,3,4}) returns 24.

460 Lists