WP 34S Owner‘s Manual
Edition 2.2
Page 40 of 103
Name
Keys to press
in modes Remarks
Expon
…
DECM
Exponential distribution with the rate
in
J
:
Expon
P
19
returns
x
Ex
e
x
f
,
Expon
returns
x
Ex
e
x
F
1
.
Expon
–1
returns the survival time
t
s
for a given
probability
F
Ex
in
X
and rate
in
J
.
Expon
P
Expon
–
1
EXPT
DECM
Returns the exponent
h
of the number displayed
. Compare MANT.
e
x
-1
e
X
-1
DECM
Returns more accurate results for the fractional
part of
e
X
with
x
≈
0
.
FAST
...
All
Sets the processor speed to ―fast‖. This is start-
up default and is kept for fresh batteries.
FB
FB
n
Integer
Inverts (―flips‖) the specified bit in
x
.
FC?
FC?
n
etc.
\
Tests if the flag specified is clear. Clears, flips, or
sets this flag after testing, if applicable.
FC?C
FC?F
FC?S
FF
FF
n
\
Flips the flag specified.
FIB
…
\
Returns the Fibonacci number
F
x
.
FILL
\
Copies
x
to all stack levels. See details
above
.
FIX
n
\
Sets fixed point display format.
FLOOR
…
DECM
Returns the
largest integer ≤
x
.
FP
DECM
Returns the fractional part of
x
.
FP?
…
\
Tests
x
for having a nonzero fractional part.
FRACT
…
\
Sets fraction mode like in HP-35S, but keeps
display format as set by PROFRC or IMPFRC.
FS?
FS?
n
etc.
\
Tests if the flag specified is set. Clears, flips, or
sets this flag after testing, if applicable.
FS?C
FS?F
FS?S
19
The pdf corresponds to EXPONDIST(
x;
;
0
) and the cdf to EXPONDIST(
x;
;
1
) in MS Excel.