Stack Manipulation Functions - HP -10C Owner's Handbook Manual

Section 2: Memory Stack, LAST X, and Data Storage
T
Z
Y
X
Keys:
Notice the number in the T-register remains there when the stack drops,
allowing this number to be used as an arithmetic constant.

Stack Manipulation Functions

v. Pressing v separates two numbers keyed in one after the other.
When v is pressed, the calculator lifts the stack by copying the number in
the display (X-register) into the Y-register. The example below shows what
typically happens when the stack is filled with the numbers 1, 2, 3, 4. Assume a,
b, c, d represent any numbers which may be in the stack. (The illustration
continues on the next page.)
Stack Lift
lost
1 2
2 3
3 4
4 4
789
1
T
2
Z
Y 3
4
X
Keys:
No Stack Lift or Drop
T 1
Z 2
3
Y
X 4
Stack Drop
1
1
2
7
+
1
2
3
2
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