HP 39g+ - Manual (Page 194)

13-8 Lists
CONCAT
Concatenates two lists into a new list.
CONCAT( list1 , list2 )
Example
CONCAT({1,2,3},{4}) returns {1,2,3,4} .
∆ LIST
Creates a new list composed of the differences between the
sequential elements in list1. The new list has one fewer
elements than list1. The first differences for {x
1
x
2
... x
n
} are
{x
2
–x
1
... x
n
–x
n–1
}.
∆
LIST( list1 )
Example
In HOME, store {3,5,8,12,17,23} in L5 and find the first
differences for the list.
>+20(@>6+,)7@{3,5,8,12,
17,23
>6+,)7@}
TUPc—
>$/3+$@L 5 >(17(5@
>0$7+@L *A,
Select
1
LIST PF—
>$/3+$@L5>(17(5@
MAKELIST
Calculates a sequence of elements for a new list. Evaluates
expression with variable from begin to end values, taken at
increment steps.
MAKELIST( expression , variable , begin , end ,
increment )
The MAKELIST function generates a series by automatically
producing a list from the repeated evaluation of an expression.
Example
In HOME, generate a list of squares from 23 to 27.
>0$7+@L *A,Select
MAKELIST PF—Ã
>$/3+$@A >[@
>@>$/3+$@A >@23 >@27
>@1 >@
>(17(5@
H I N T If the Decimal Mark setting in the Modes input form
(
>6+,)7@
MODES )is set to Comma, use
>@ instead of >@.