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WP 34S Owner‘s Manual
Edition 2.2
Page 44 of 103
Name
Keys to press
in modes Remarks
KTY?
KTY?
a
All
Assumes a key code in address
a
. Checks this
code and returns
0 … 9 if it corresponds to a digit
…
,
10 if it corresponds to
,
, or
,
11 if it corresponds to
,
, or
,
12 if it corresponds to any other key.
May help in user interaction with programs.
LASTx
\
See
above
for details.
LBL
label
PRG
Identifies programs and routines for execution
and branching. See opportunities for specifying
label
in the table
above
.
LBL?
LBL?
label
All
Tests for the existence of the label specified,
anywhere in program memory. See opportunities
for specifying
label
in the table
above
.
LCM
…
\
Returns the Least Common Multiple of
x
and
y
.
LEAP?
…
DECM
Takes
x
as a date in the format selected, ex-
tracts the year, and tests for a leap year.
LgNrm
…
DECM
Lognormal distribution with
g
x
ln
specified
in
J
and
ln
in
K
. See
x g and
below.
LgNrm
P
returns
2
2
2
ln
2
1
x
Ln
e
x
x
f
,
LgNrm returns
x
x
F
Ln
ln
with
Φ(
z
)
denoting the standard normal
cdf
.
LgNrm
–
1
returns
x
for a given probability
F
Ln
in
X
,
µ
in
J
, and
σ
in
K
.
LgNrm
P
LgNrm
–
1
LINEQS
…
\
Takes a base register in
X
, a vector
descriptor
in
Y
, and a descriptor of a square matrix in
Z
.
Solves
the
system
of
linear
equations
and returns the filled out vector de-
scriptor in
X
.
LinF
…
DECM
Selects the linear curve fit model
x
a
a
y
1
0
.
LJ
…
Integer
Left adjust as in
HP-16C
.
LN
DECM
Returns the natural logarithm of
x
, i.e. the loga-
rithm of
x
for base
e
.