HP 33s User Manual
Page 50

2–10
RPN: The Automatic Memory Stack
T
t
t
t
Z
z
z
t
96.704 Y
96.7040
96.7040
z
X
96.7040
52.3947 52.3 947
149.0987
LAST X
l
l
52.3947
T
t
t
Z
z
t
Y
149.0987
z
X
52.3947
2.8457
LAST X
52.3947
52.3947
Keys:
Display:
Description:
96.704
)
Enters first number.
52.3947
)
Intermediate result.
{
)
Brings back display from before
.
q
)
Final result.
Example:
Two close stellar neighbors of Earth are Rigel Centaurus (4.3 light–years away)
and Sirius (8.7 light–years away). Use c, the speed of light (9.5
× 10
15
meters per
year) to convert the distances from the Earth to these stars into meters:
To Rigel Centaurus: 4.3 yr
Ч (9.5 Ч 10
15
m/yr).
To Sirius: 8.7 yr
Ч (9.5 Ч 10
15
m/yr).
Keys:
Display:
Description:
4.3
)
Light–years to Rigel Centaurus.