HP 38g Graphing Calculator User Manual

Page 150

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Using Lists in

You can use a list ncime or the explicit list in an expression

Expressions

using any of the real-number functions.

Press

I ENTER I

to evaluate the expression.

(HOME i

HOME

0,2,3>^L2

■ 0 1 □ 2 g 3 B Q ]

{{STOHI bvin

L2 1 ENTER 1

£5,10,15>

5 1 * 1 1 A...Z 1

L 2 1 ENTER 1

Generating

Series

Example

The MAKEUST operation generates a series by automatically

producing a list from the repeated evaluation of an

expression.

In Home, generate a list of squares from 23 to 27 using the

expression

Copy MAKEUST from the MATH menu. The syntax is

MAKEhlST {expression, variable, begin, end, increment

I --------------- 1 1 I — I

firai

I MATH I L I

S'e/ecf MAKELIST {{OK}}

[

3] A|i[x*] niAlzl AfTI

23 □ 27 □ 1 a

MflKELIST

C 529,576,625,676,729 >

ENTER

Finding First
Differences

Example

Finding the first differences is a way of finding the rate of

change in a series of values. In Home or in a program, the

AUST operation finds the first differences.

In the List catalog or in Home, store {3,5,8,12,17,23} in L5. In

Home, find the first differences for this list.

fHoK^I ■ {{] 3,5,8,12,17,23

IQ] {{STOHlfXIzlLS

ENTER

MATH

I L

Select

list

{{

}}

L5 I

ENTER

{13,5,8, 12,17,23>>L5

i3,5,8,12,17,23>

6LIST

___________ C2,3,4,5,6>

7-6 Using lists