HP -11C Owner's Handbook Manual page 15

Section 2
The Automatic Memory Stack,
LAST X, and Data Storage
and Stack Manipulation
The Automatic
Memory Stack Registers
™>
z>
Y>?
x>
0.0000 | Always displayed.
26
Section 2: Memory Stack, LAST X, and Data Storage 27
Stack Lift No Stack Change
lost
Te ]—— 2] ore
Zo 2 | tes.
See
ee
vals |—7 [4]
vefa]—-[ay
X>/ 4 | '7 789 x>
Keys > 789 Keys >
Stack Manipulation Functions
separates two numbers keyed in one after the other. When
ENTER] is pressed the calculator lifts the stack by copying the
number in the displayed X-register into the Y-register. For
example, to fill the stack with the numbers 1, 2, 3, 4 (assume that
the stack registers have already been loaded with the numbers
shown as the result of previous calculations):
lost lost
Ce) +O)
[7 |7 fe |e | 7]
rel" +7]
P46] -2142)
(ENTER) 2 (ENTER)
(Illustration continued on next page.)
* To simplify the illustration of features described in this section, a single-digit number
format is used in most of the diagrams instead of the decimal number ([Fix] 4) format
used elsewhere in this handbook.