HP 40G manual $/3+$@L 5175@ $7+@L *A, $/3+$@L5175@, $7+@L *A,Select, $/3+$@A @, @1 @ 175@

Models: 40G

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CONCAT

Concatenates two lists into a new list.

CONCAT(list1,list2)

Example

 

CONCAT({1,2,3},{4}) returns {1,2,3,4}.

ΔLIST

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 {x1 x2 ... xn} are

 

{x2x1 ... xnxn– 1}.

 

ΔLIST(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@} 672?a

 

 

 

 

>$/3+$@L 5￿>(17(5@

 

 

 

 

>0$7+@L *A,

 

 

 

 

Select 1LIST .

 

 

 

 

>$/3+$@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 2.a￿

 

 

 

 

>$/3+$@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 >￿@.

13-8

Lists

Page 194
Image 194
HP 40G manual $/3+$@L 5175@ $7+@L *A, $/3+$@L5175@, $7+@L *A,Select, $/3+$@A @, @1 @ 175@