List Functions - HP NW280-200X User Manual

List functions

Menu format
Lists
List functions are found on the Math menu. You can use
them in Home and in programs.
You can type in the name
of the function, or you
can copy the name of the
function from the List
category of the Math
menu.
Press D 6 to select the
List category in the left column of the Math menu. (List is
the sixth category on the Math menu, which is why
pressing 6 will take you straight to the List category.) Press
to move to the sub-menu of list functions, select a
>
function, and either tap
List functions are enclosed in parentheses. They have
arguments that and separated by commas, as in
CONCAT(L1,L2). An argument can be either a list
variable name (such as L1) or the actual list. For example,
REVERSE({1,2,3}).
Common operators like +, –, ×, and ÷ can take lists as
arguments. If there are two arguments and both are lists,
then the lists must have the same length, since the
calculation pairs the elements. If there are two arguments
and one is a real number, then the calculation operates on
each element of the list.
Example:
5*{1,2,3} returns {5,10,15}.
Besides the common operators that can take numbers,
matrices, or lists as arguments, there are commands that
can only operate on lists.
By default, a List function is presented on the Math menu
using its descriptive name, not its common command
name. Thus the shorthand name CONCAT is presented as
and POS is presented as
Concatenate
or press E .
.
Position
405