34
Section 3: The Memory Stack, LAST X, and Data Storage
shading indicates that the contents of that register will be written over
when the next number is keyed in or recalled.)
lost
lost
lost
T
t
z
y
y
x
Z
z
y
x
x
1
Y
y
x
1
1
2
X
x
1
1
2
2
Keys:
1
v
2
v
lost
T
x
x
1
1
Z
1
1
2
2
Y
2
2
3
3
X
2
3
3
4
Keys:
3
v
4
)
(roll down),
(
(roll up),
and
®
(
X
exchange Y).
)
and
(
roll the contents of the stack registers up or down one register (one value
moves between the X- and the T-register). No values are lost.
®
exchanges the numbers in the X- and Y-registers. If the stack were loaded
with the sequence 1, 2, 3, 4, the following shifts would result from
pressing
))
and
®
.
T
1
4
1
1
Z
2
1
2
2
Y
3
2
3
4
X
4
3
4
3
Keys:
)
|
(
®
Summary of Contents for HP-15C
Page 1: ...HP 15C Owner s Handbook HP Part Number 00015 90001 Edition 2 4 Sep 2011 ...
Page 17: ...Part l HP 15C Fundamentals ...
Page 64: ......
Page 65: ...Part ll HP 15C Programming ...
Page 118: ...118 ...