'sqcx)' 3: ■h' 2: 23, Q qo @ x (i, Ie) cd – HP 48g Graphing Calculator User Manual
Page 206
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5. Enter the step size of the increment. The number of elements
generated is the integer portion of
(final —initial)
step
+
1
.
17
6
. Execute SEQ .
Example: Generate a list of squares from 23 to 27.
Step 1:
Enter the function, the variable name, the initial value, and
the final value.
Q QO @ X (I
nt
IE) CD
@
X ( E N T E R
1
23
( E N T E R )
27
( E N T E R )
r HDME >
4:
'SQCX)'
3:
■H'
2:
23
1:
27
■QiiiBiiQiHii3izRniaii:i;tcMiBnajnia4Ami
Step 2:
Enter the step size, and generate the sequence.
1 (ENTER )(
p
M1
l i s t
P R O C (NXT) S E i J
1: £ 529 576 625 676
729 }
To find the sum
of a
finite sequence expressed as a list:
1. Enter the list.
2. Execute ( M T H )
. I S
1
.
You can also find the sum of a finite sequence using the X function in
an algebraic expression—see page 7-5.
To find the product of a finite sequence expressed as a list;
1. Enter the list.
2. Press (MTH ) L I S !
ti
’.L I S !'.
To find the set of
fires
t'ifierences of a finite sequence:
1. Enter the sequence as a list.
2. Press (MT
h
I L I ST fN)an i L 1 S T .
The first differences for the list C x\ x-i ... T is defined as
C X2-XX . . . x n - x ^ _ i >.
17-8 Lists and Sequences