Toaniatsimamaiaiivraii33?nii5;hi – HP 48g Graphing Calculator User Manual
Page 39
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2401 fsp^ 4
1 =
7
Since the HP 48’s stack retains previous results, it makes it especially
easy to perform chain calculations.
1. If necessary, move the previous results to the proper stack level for
the command (see “Manipulating the Stack,” below).
2. Execute the command.
Example:
Calculate (12 + 3) x (7 + 9).
Step 1:
Perform the additions.
12
[ E N T E R )
3
(T)
7
[ E N T E R )
9
( 3
15
16
Step 2:
Notice that the two intermediate results remain on the stack.
Now, multiply them.
1:
Zi0
Example:
Calculate 23^ - (13 x 9) + I.
Step 1:
First, calculate 23^ and the product 13 x 9.
23 (5)0
13
f E N T E R )
9 @
£:
529
1:
117
Step 2:
Subtract the two intermediate results and calculate |.
Q
5
[
e n t e r
)
7 0
£:
41£
1:
.7H2857H286
TOaniatsimamaiaiivraii33?nii5;Hi
Step 3:
Add the two results.
CD
l!
412.7H2857H
Stack 3-3