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WP 34S Owner‘s Manual
Edition 2.2
Page 50 of 103
Name
Keys to press
in modes Remarks
Poiss
…
DECM
Poisson distribution with
the number of suc-
cesses
g
in
X
, the gross error probability
p
0
in
J
,
and the sample size
n
in
K
. Alternatively, Pois-
son
‘s
0
p
n
may be in
J
if
k
= 1:
Poiss
P
22
returns
e
g
g
P
g
P
!
)
;
(
,
Poiss returns
m
g
P
P
g
P
m
F
0
)
;
(
)
;
(
, with
the
maximum number of successes
m
in
X
.
Poiss
–
1
returns
m
for given probabilities
F
P
in
X
and
p
in
J
with sample size
n
in
K
.
Poiss
P
Poiss
–
1
PowerF
…
DECM
Selects the power curve fit model
1
0
a
x
a
y
.
PRCL
PRCL
n
\
Recall the user program space from flash seg-
ment
n
to RAM where it may be edited then (see
above
).
PRIME?
…
\
Checks if the absolute value of the integer part
of
x
is a prime. The method is believed to work
for integers up to 9E18.
PROFRC
DECM
Sets fraction mode like in
HP-35S
, allowing only
proper fractions or mixed numbers in display.
Converts
x
according to the settings by DEN…
Absolute decimal equivalents of
x
must not ex-
ceed 100,000. Compare IMPFRC.
FRC
Allows displaying only proper fractions. Thus
converts an improper fraction in
X
, if applicable,
e.g. 5/3 into 1 2/3.
PROMPT
…
PRG
Displays
alpha
and stops program execution
(equaling
VIEW followed by STOP actually).
See
below
for more.
PSE
nn
PRG
Refreshes the display and pauses program ex-
ecution for
nn
ticks, with
. The
pause will be terminated early as soon as a key
is pressed.
PSTO
PSTO
n
\
Stores the user program space in flash segment
n
(see
above
).
22
The pmf corresponds to POISSON(
g;
;
0
) and the cdf to POISSON(
g;
;
1
) in MS Excel.