1AA1F |
xABS
|
( x → x' )
Absolute Value Function
--
Returns the absolute value of
its argument.
x → |x|
(x,y) → sqrt(x^2+y^2)
x_unit → |x|_unit
[ array ] → || array ||
'sym' → 'ABS(sym)'
--
Flags: -3
--
Related: NEG,SIGN
|
1987E |
xACK
|
( → )
Acknowledge Alarm cmd
--
Acknowledges the oldest past due
alarm.
--
Flags: -43 -44
Repeat Alarms Not Rescheduled -43
Acknowledge Alarms Saved -44
--
Clears alert annunciator if
1. There are no other past-due
alarms and
2. There are no other active
alert sources - ie low batt.
Has no effect on control alarms
Control alarms that come due are
automatically acknowledged AND
saved in the sys alarm list.
--
Related: ACKALL
|
19863 |
xACKALL
|
( → )
Acknowledge All Alarms cmd
--
Acknowledges all past due alarms.
--
Flags: -43 -44
Repeat Alarms Not Rescheduled -43
Acknowledge Alarms Saved -44
--
Clears alert annunciator if there
are no other active alert sources,
ie low batt.
Has no effect on control alarms
Control alarms that come due are
automatically acknowledged AND
saved in the sys alarm list.
--
Related: ACK
|
1B72F |
xACOS
|
( x → x' )
Arc cos fn
--
Returns angle with given cos.
--
z → arc cos z
'sym' → 'ACOS(sym)'
--
Related: ASIN,ATAN,COS,ISOL,ACOSH
|
1B830 |
xACOSH
|
( x → x' )
Arc hyp cos fn
--
Returns val with given hyp cos.
--
z → arc hyp cos z
'sym' → 'ACOSH(sym)'
--
Related: ASINH,ATANH,COSH,ISOL
|
1BA3D |
xALOG
|
( x → x' )
Common antilog fn
--
ALOG x = 10^x
--
Flags: -3
numeric result
--
z → 10^z
'sym' → 'ALOG(sym)'
--
Related: EXP,LN,LOG
|
1E783 |
xAND
|
( x1 x2 → x3 )
And fn
--
Logical AND of 2 args.
--
#n1 #n1 → #n3
"str1" "str2" → "str3"
T/F1 T/F2 → 0/1
T/F 'sym' → 'T/F AND sym'
'sym' T/F → 'sym AND T/F'
'sym1' 'sym2' → 'sym1 AND sym2'
--
Flags: -3 -5
Numeric res -3
Bin int wordsize -5 → -10
--
Related: NOT,OR,XOR
|
1F5C5 |
xAPPLY
|
( {symb1 .. symbn} f → f(symb1...symbn) )
Apply to args fn
--
Creates expr for specified fn
name & args
--
Related: QUOTE,|
|
1E5D2 |
xARC
|
( c r θ1 θ2 → )
( {#x #y} #r θ1 θ2 → )
Draw arc fn
--
Draws arc in PICT anticlockwise
from θ1 to θ2 centred on coord
specified on lev4 with radius on
lev3
--
Flags: -17 -18
angle mode (-17 & -18)
--
Related: BOX,LINE,TLINE
|
2125A |
xARCHIVE
|
( :port:name → )
( :IO:name → )
Archive HOME cmd
--
Creates backup of HOME in RAM
(including user key assignments
& alarm catalog)
--
if :IO: is used backup
transmitted through IO port via
Kermit to filename 'name'
--
Flags: -33 -39
I/O Device -33
I/O Messages -39 if :IO:name
--
Related: RESTORE
|
1B2DB |
xARG
|
( c → θ )
Argument fn
--
Returns angle of a complex number
--
(x,y) → θ
'sym' → 'ARG(sym)'
--
Flags: -17 -18
Ang Mode -17,-18
|
1D092 |
xARRY>
|
( [] → x1...xn {n} )
( [[]] → x11...xnm {n m} )
Array to stack cmd
--
Return elems of array to stack.
OBJ→ includes this functionality.
--
Related: →ARRY,DTAG,EQ→,LIST→, OBJ→,STR→
UserRPL: xARRY→
|
1D009 |
x>ARRY
|
( x1..xn n → [] )
( x11...xnm {n m} → [[]] )
Stack to Array Cmd
--
Returns a vector of n real or
complex elements or a matrix of
n × m real or complex solutions.
--
Related: ARRY→,LIST→,→LIST, OBJ→,STR→,→TAG,→UNIT
UserRPL: x→ARRY
|
1B6A4 |
xASIN
|
( x → x' )
Arc sin fn
--
Gives angle whose sin is given
--
z → arc sin z
'sym' → 'ASIN(sym)'
--
Flags: -1 -3 -17 -18
Principal soln -1
Numerical res -3
Angle mode -17,-18
--
Related: ACOS,ATAN,ISOL,SIN
|
1B7EB |
xASINH
|
( x → x' )
Arc hyp sin fn
--
Gives Val whose hyp sin is given
--
z → arc hyp sin z
'sym' → 'ASINH(sym)'
--
Flags: -1 -3
Principal soln -1
Numerical res -3
--
Related: ACOSH,ATANH,ISOL,SINH
|
224F4 |
xASN
|
( obj key → )
( 'SKEY' → )
Assign cmd
--
Defines single key on user kbd by
assigning the given obj to the
key x_key
--
Flags: -61 -62
User mode lock -61
User mode -62
--
The arg x_key is a real number
rc.p where r=row,c=col,p=plane as
follows:
0,1 - unshifted
2 - left shifted
3 - right shifted
4 - Πshifted
5 - Πleft shifted
6 - Πright shifted
Add 0.01 if the modifier is to be held
pressed down.
--
After ASN, pressing the assigned
in User or 1-User mode exeutes
the assigned obj instead. Remains
in effect until altered by ASN or
STOKEYS or DELKEYS. If 'SKEY' is
passed instead, the specified key
is restored to std.
--
Related: DELKEYS,RCLKEYS,STOKEYS
<REF>TEXT:Keycodes
|
1957B |
xASR
|
( # → #' )
Arithmetic shift right cmd
--
Shifts a bint 1 bit to the right
except for the most significant
bit which stays.
--
Flags: -5 -6 -7 -8 -9 -10 -11 -12
bint wordsize -5 -> -10
bint base -11, -12
--
Related: SL,SLB,SR,SRB
|
1B79C |
xATAN
|
( x → x' )
Arc tan fn
--
Returns the angle having the tan
--
z → arc tan z
'sym' → 'ATAN(sym)'
--
Flags: -1 -3 -17 -18
Principle soln -1
Numeric results -3
Angle mode -17,-18
--
Related: ACOS,ASIN,ISOL,TAN
|
1B8A2 |
xATANH
|
( x → x' )
Arc hyp tan fn
--
Returns the value with given hyp
tan.
--
z → arc hyp tan z
'sym' → 'ATANH(sym)'
--
Flags: -1 -3 -22
Principle soln -1
Numeric results -3
Infinite result exception -22
--
Related: ACOSH,ASINH,ISOL,TANH
|
21448 |
xATTACH
|
( n → )
( :nport:n → )
Attach library cmd
--
Attaches lib with given num to
current directory.
--
Related: DETACH,LIBS
|
1E1AB |
xAUTO
|
( → )
Calculates a y-axis display range
or an x- & y-axis display range.
--
Action depends on plot type:
FUNCTION sets range to max &
min of y vals sampled
at 40 equi-spaced x
vals (excluding ±ØÙ)
CONIC sets y-axis scale = to
x-axis scale
POLAR same as FUNCTION
;
PARAMETRIC same as POLAR
;
TRUTH no action
;
BAR sets x-axis range from
0 to # of elems in
ΣDAT +1. sets y-range
to min & max of the
elts x-axis is always
included.
HISTOGRAM sets x-axis range to
min & max of the elems
in ΣDAT. sets y-range
from 0 to # of rows in
ΣDAT.
SCATTER x-range is min & max
of XCOL. y-range is
min & max of YCOL
--
Related: DRAW,SCALEH,SCALE,SCLΣ, SCALEW,XRNG,YRNG
|
1E0BE |
xAXES
|
( c → )
( {c tick $x $y } → )
Axes cmd
--
Specifies intersection coords of
x- & y- axes, tick mark annotatn
and x- & y- axes labels. stored
in PPAR.
--
<REF>TEXT:Reserved|PPAR
--
Related: ATICK,DRAW,DRAX,LABEL
|
1E741 |
xBAR
|
( → )
Bar plot type cmd
--
Sets plot type to BAR
When plot type is BAR, the DRAW
Cmd plots a bar chart using data
from 1 col of the stat matrix
(ΣDAT). The col to be plotted is
specified by the XCOL cmd & is
stored in 1st param of ΣPAR. Plot
params are specified in PPAR of
ff form:
{ (xmin,ymin) (xmax,ymax) indep
res axes ptype depend }
For BAR they are used as follows:
--
(xmin,ymin) specifies lower left
cnr of PICT (default: (-6.5,-3.1))
--
(xmax,ymax) specifies upper
right cnr of PICT
(default: (6.5,3.2))
--
indep name - specifies horiz
axis label or
list - { name x1 x2 } smaller of
x1 & x2 is horiz location of 1st
bar (default: X)
--
res real - bar width in user
units or bint - bar width in
pixels
(default: 0 - 1 in user units)
--
axes list containing one or more
of the ff in order:
(x,y) - user unit origin pos
a list specifying tick mark
annotatn & 2 strings specifying
horiz & vert axes labels
(default: (0,0))
--
ptype plot type - BAR in this
case
--
depend label for vert axis.
(default: Y)
--
<REF>TEXT:Reserved|PPAR
--
Related: CONIC,DIFFEQ,FUNCTION,GRIDMAP, HISTOGRAM,PARAMETRIC,PARSURFACE,PCONTOUR, SCATTER,SLOPEFIELD,TRUTH,YSLICE
|
20133 |
xBARPLOT
|
( → )
Draw bar plot cmd
--
Draws bar chart of specified col
of stat matrix (ΣDAT)
Col to be plotted is specified by
XCOL & is stored as first param
in ΣPAR. Default col is 1. data
can be +ve or -ve giving bars
above or below the axis. y-axis
is autoscaled & plot type is BAR.
When executed from a program,
plot doesn't persist unless
PICTURE,PVIEW (with empty list)
or FREEZE is subsequently
executed
--
Related: FREEZE,HISTPLOT,PICTURE, PVIEW,SCATRPLOT,XCOL
|
2200C |
xBAUD
|
( n → )
Baud rate cmd
--
Specify bit transfer rate.
--
Related: CKSM,PARITY,TRANSIO
|
1A5C4 |
xBEEP
|
( freq dur → )
Beep cmd
--
Sounds a tone of n Hz for x secs.
--
Flags: -56
Error Beep -56
Max Freq = 4400 Hz
Max Duration = 1048.575 secs.
--
Related: HALT,INPUT,PROMPT,WAIT
|
2025E |
xBESTFIT
|
( → )
Best fit model cmd
--
Executes LR with each of the 4
curve fitting models and selects
the model giving the largest
correlation coefficient.
--
Selected model stored in 5th
param of ΣPAR & regression coeffs
intercept & slope are stored in
3rd & 4th params.
--
Related: EXPFIT,LINFIT,LOGFIT,LR,PWRFIT
|
1C559 |
xBIN
|
( → )
Binary mode cmd
--
Selects binary base for bint ops.
(Default base is 10)
--
Flags: -5 -6 -7 -8 -9 -10 -11 -12
Bint wordsize -5 → -10
Bint base -11, -12
Bints require prefix #. Bints
entered & returned in binary show
the b suffix. If current base not
binary, enter binary nums by
using b suffix.
The current base doesn't affect
the internal representation of
bints as unsigned bints.
--
Related: DEC,HEX,OCT,STWS,RCWS
|
2010E |
xBINS
|
( min width n → [[]] [] )
Sort Into Frequency Bins Cmd
--
Sorts the elements of the indep.
col (XCOL) of the stat matrix
(ΣDAT) into (nbins + 2) bins,
where the left edge for bin 1
starts at value xmin and each bin
has width xwidth.
--
xmin xwidth nbins →
[[ nbin1...nbinn ]]
[ nbinL nbinR ]
--
Related: BARPLOT,XCOL
|
1E416 |
xBLANK
|
( #width #height → grob )
Blank Graphics Obj Cmd
--
Creates a blank graphics obj of
the specified width and height.
--
Related: →GROB,LCD→
|
1E3EC |
xBOX
|
( {#n1 #m1} {#n2 #m2} → )
( c1 c2 → )
Box Cmd
--
Draws in PICT a box whose
opposite corners are defined by
the specified pixel or user-unit
coords.
--
Related: ARC,LINE,TLINE
|
22087 |
xBUFLEN
|
( → nchars 0/1 )
Buffer Length Cmd
--
Returns the number of characters
in the HP 48's serial input
buffer and a single digit
indicating whether an error
occurred during data reception.
--
Related: CLOSEIO,OPENIO,SBRK,SRECV, STIME,XMIT
|
1A1D9 |
xBYTES
|
( obj → chksum size )
Bytes Size Cmd
--
Returns the number of bytes & the
checksum for the given obj.
--
Related: MEM
|
196BB |
xB>R
|
( # → R )
Binary to Real Cmd
--
Converts a binary integer to its
floating-point equivalent.
--
Related: R→B
UserRPL: xB→R
|
2378D |
xCASE
|
( → )
CASE Conditional Structure Cmd
--
Starts CASE ... END conditional
structure.
--
CASE →
THEN T/F →
END →
END →
--
Related: END,IF,IFERR,THEN
|
1BC0F |
xCEIL
|
( x → n )
Ceiling Func
--
Returns the smallest integer
greater than or equal to the
argument.
--
x → n
x_u → n_u
'sym' → 'CEIL(sym)'
--
Flags: -3
--
Related: FLOOR,IP,RND,TRNC
|
1E0E8 |
xCENTR
|
( (x,y) → )
( x → )
Centre Cmd
--
Adjusts the first two parameters
in the reserved variable PPAR,
(xmin, ymin) and (xmax,ymax), so
that the point represented by the
argument (x,y) is the plot centre.
--
<REF>TEXT:Reserved|PPAR
--
Related: SCALE
|
1C2D5 |
xCF
|
( n → )
Clear Flag Cmd
--
Clears the specified user or
system flag.
--
Related: FC?,FC?C,FS?,FS?C,SF
|
1CB66 |
xCHR
|
( n → $ )
Character Cmd
--
Returns a string representing the
HP 48 character corresponding to
the character code n.
--
Related: NUM,POS,REPL,SIZE,SUB
|
1C149 |
x%CH
|
( x1 x2 → x3 )
Percent Change Func
--
Returns the percent change from
x (level 2) to y (level 1) as a
percentage of x.
--
x y → 100(y-x)/x
x 'sym' → '%CH(x,sym)'
'sym' x → '%CH(sym,x)'
'sym1' 'sym2' → '%CH(sym1,sym2)'
x_u y_u → 100(y_u-x_u)/x_u
x_u 'sym' → '%CH(x_u,sym)'
'sym' x_u → '%CH(sym,x_u)'
--
Flags: -3
--
Related: %,%T
|
21FEC |
xCKSM
|
( n_type → )
Checksum Cmd
--
Specifies the error-detection
scheme.
--
Related: BAUD,PARITY,TRANSIO
;
|
1FCEB |
xCLEAR
|
( ob1 .. obn → )
Clear Cmd
--
Removes all objects from the
stack.
--
Related: CLVAR,PURGE
|
1FD2B |
xCLSIGMA
|
( → )
Clear Sigma Cmd
--
Purges the current statistics
matrix (reserved variable ΣDAT).
--
<REF>TEXT:Reserved|ΣDAT
--
Related: RCLΣ,STOΣ,Σ+,Σ-
UserRPL: xCLΣ
|
198DE |
xCLKADJ
|
( ticks → )
Adjust System Clock Cmd
--
Adjusts the system time by x
clock ticks, where 8192 clock
ticks equal 1 second.
--
Related: →TIME
|
1A858 |
xCLLCD
|
( → )
Clear LCD Cmd
--
Clears (blanks) the stack display
--
Related: DISP,FREEZE
|
21ED5 |
xCLOSEIO
|
( → )
Close I/O Port Cmd
--
Closes the serial port and the
IR port, and clears the input
buffer and any error messages for
KERMIT.
--
Related: BUFLEN,OPENIO
|
210FC |
xCLUSR
|
( → )
Clear Variables Cmd
--
Purges all variables and empty
subdirectories in the current
directory.
--
Related: CLUSR,PGDIR,PURGE
UserRPL: xCLVAR
|
1BFBE |
xCNRM
|
( [] → col_norm )
Column Norm Cmd
--
Returns the column norm (onenorm)
of the array argument.
--
Related: CROSS,DET,DOT,RNRM
|
20A15 |
xCOLCT
|
( symb → symb' )
Collect Like Terms Cmd
--
Simplifies an algebraic expression
or equation by "collecting"
like terms. Does not modify numbers.
--
Related: EXPAN,ISOL,QUAD,SHOW
|
2009A |
xSIGMACOL
|
( x_col y_col → )
Sigma Columns Cmd
--
Specifies the independent variable
and dependent-variable columns
of the current stat matrix
(the reserved variable ΣDAT).
--
<REF>TEXT:Reserved|ΣDAT
--
Related: BARPLOT,BESTFIT,CORR,COV, EXPFIT,HISTPLOT,LINFIT,LOGFIT, LR,PREDX,PREDY,PWRFIT,SCATRPLOT,XCOL,YCOL
UserRPL: xCOLΣ
|
1C1F6 |
xCOMB
|
( n k → Cn,k )
Combinations Func
--
Returns the number of possible
combinations ofn items taken m
at a time.
--
n m → Cn:m
'symn' m → 'COMB(symn,m)'
n 'symm' → 'COMB(n,symm)'
'symn' 'symm' → 'COMB(symn,symm)'
--
Related: PERM,!
|
1D186 |
xCON
|
( { n } x → [] )
( { n k } x → [[]] )
( [] x → []' )
Constant Array Cmd
--
Returns a constant array, defined
as an array whose elements all
have the same value.
--
{ncols} zcnst → [[veccnst]]
{nrows mrows} zcnst → [[matcnst]]
[R-arr] xcnst → [R-arrcnst]
[C-arr] xcnst → [C-arrcnst]
'name' zcnst →
--
Related: IDN
|
1E681 |
xCONIC
|
( → )
Conic Plot Type Cmd
--
Sets the plot type to CONIC.
--
Related: BAR,DIFFEQ,FUNCTION,GRIDMAP, HISTOGRAM,PARAMETRIC,PARSURFACE,PCONTOUR, POLAR,SCATTER,SLOPEFIELD,TRUTH,WIREFRAME,YSLICE
|
1AA6E |
xCONJ
|
( x → x' )
Conjugate Analytic Func
--
Conjugates a complex number or a
complex array.
--
x → x
(x,y) → (x,-y)
[ R-arr ] → [ R-arr ]
[ C-arr ]1 → [ C-arr ]2
'sym' → 'CONJ(sym)'
--
Flags: -3
--
Related: ABS,IM,RE,SCONJ,SIGN
|
1A8BB |
xCONT
|
( → )
Continue Program Execution Cmd
--
Resumes execution of a halted
program.
--
Related: HALT,KILL,PROMPT
|
196DB |
xCONVERT
|
( x1_u1 x2_u2 → x3_u2 )
Convert Units Cmd
--
Converts a source unit object to
the dimensions of a target object
--
Related: UBASE,UFACT,→UNIT,UVAL
|
1FDC1 |
xCORR
|
( → x_correlation )
Correlation Cmd
--
Returns the correlation coefficient
of the independent and
dependent data columns in the
current statistics matrix
(reserved variable ΣDAT).
--
<REF>TEXT:Reserved|ΣDAT
--
Related: COLΣ,COV,PREDX,PREDY,XCOL,YCOL
|
1B505 |
xCOS
|
( x → x' )
Cos Func
--
Returns the cos of the argument.
--
z → cos z
'sym' → 'COS(sym)'
x_uangular → cos(x_uangular)
--
Flags: -3 -17 -18
--
Related: ACOS,SIN,TAN
|
1B606 |
xCOSH
|
( x → x' )
Hyp Cos Func
--
Returns the hyp cos of the argument.
--
z → cosh z
'sym' → 'COSH(sym)'
--
Flags: -3
--
Related: ACOSH,SINH,TANH
|
1FDDC |
xCOV
|
( → x_covariance )
Covariance Cmd
--
Returns the sample covariance of
the independent and dependent
data columns in the current stat
matrix (reserved variable ΣDAT).
--
<REF>TEXT:Reserved|ΣDAT
--
Related: COLΣ,CORR,PCOV,PREDX,PREDY, XCOL,YCOL
|
1EEA4 |
xCR
|
( → )
Carriage Right Cmd
--
Prints the contents, if any, of
the printer buffer.
--
Flags: -37 -34 -33
--
Related: DELAY,OLDPRT,PRLCD,PRST,PRSTC, PRVAR,PR1
|
1A105 |
xCRDIR
|
( name → )
Create Directory Cmd
--
Creates an empty subdirectory
with the specified name within
the current directory.
--
Related: HOME,PATH,PGDIR,UPDIR
|
1C01E |
xCROSS
|
( [1] [2] → [3] )
Cross Product Cmd
--
CROSS returns the cross product
[3] = [1] x [2] of vectors [1] and [2].
--
Related: CNRM,DET,DOT,RNRM
|
1E29A |
xC>PX
|
( (x,y) → {#n #m} )
Complex to Pixel Cmd
--
Converts the specifiec user-unit
coordiates to pixel coordiates.
--
(x,y) → { #n #m }
--
Related: PX→C
UserRPL: xC→PX
|
1C98E |
xC>R
|
( (x,y) → x y )
( [C] → [R] [I] )
Complex to Real Cmd
--
Separates the real and imaginary
parts of a complex number or
complex array.
--
Related: R→C,RE,IM
UserRPL: xC→R
|
19812 |
xDATE
|
( → date )
Returns the system date.
--
Related: DATE+,DDAYS,TIME,TSTR
|
1989E |
xSETDATE
|
( date → )
Set Date Cmd
--
Sets the system date to date.
--
Related: →TIME
UserRPL: x→DATE
|
199D2 |
xDATE+
|
( date ndays → date' )
Date Addition Cmd
--
Returns a past or future date,
given a date in level 2 and a
nmber of days in level 1.
--
Flags: -42
--
Related: DATE,DDAYS
|
199B2 |
xDDAYS
|
( date1 date2 → days )
Delta Days Cmd
--
Returns the number of days
between two dates.
--
Related: DATE,DATE+
|
1C574 |
xDEC
|
( → )
Decimal Mode Cmd
--
Selects decimal base for binary
integer operations. (The default
base is decimal.)
--
Related: BIN,HEX,OCT,RCWS,STWS
|
209AA |
xDECR
|
( name → x_new )
Decrement Cmd
--
Takes a variable on level 1,
subtracts 1, stores the new value
back into the original variable,
and returns the new value to
level 1.
--
Related: INCR,STO+,STO-
|
20D65 |
xDEFINE
|
( 'name=expr' → )
( 'name(name1...)=expr(name1...) → )
Define Variable or Func Cmd
--
Stores the expression on the
right side of the = in the variable
specified on the left side,
or creates a user-defined function
--
Related: STO
|
1C399 |
xDEG
|
( → )
Degrees Cmd
--
Sets Degrees angle mode.
--
Related: GRAD,RAD
|
19972 |
xDELALARM
|
( n → )
Delete Alarm Cmd
--
Deletes the alarm specified in
level 1.
--
Related: FINDALARM,RCLALARM,STOALARM
|
1EF43 |
xDELAY
|
( x_delay → )
Delay Cmd
--
Specifies how many seconds the
HP 48 waits between sending lines
of information to the printer.
--
Related: CR,OLDPRT,PRLCD,PRST,PRSTC,PRVAR,PR1
|
22548 |
xDELKEYS
|
( rc.p → )
( { rc.p ... n } → )
Delete Key Assignments Cmd
--
Clears user-defined key assignments.
--
Related: ASB,RCLKEYS,STOKEYS
|
1E22B |
xDEPND
|
( name → )
( {name} → )
( {name y1 y2} → )
( {y1 y2} → )
( y1 y2 → )
Dependent Variable Cmd
--
Species the dependent variable
(and its plotting range for TRUTH
plots).
--
Related: INDEP
|
1FC44 |
xDEPTH
|
( → n )
Depth Cmd
--
Returns a real number representing
the number of objects present
on the stack (before DEPTH was
executed).
|
1BFDE |
xDET
|
( [[]] → x )
Determinant Func
--
Returns the determinant of a
square matrix.
--
Related: CNRM,CROSS,DOT,RNRM
|
2147C |
xDETACH
|
( n → )
( :port:n → )
Detach Library Cmd
--
Detaches the library with the
specified number from the current
directory. Each library has a
unique number. If a port number
is specified, it is ignored.
--
Related: ATTACH,LIBS,PURGE
|
23813 |
xDIR
|
|
1A584 |
xDISP
|
( obj n_line → )
Display Cmd
--
Displays obj in the nth display
line.
--
Related: FREEZE,HALT,INPUT,PROMPT
|
230C3 |
xDO
|
( → )
DO Indefinite Loop Structure Cmd
--
Starts DO ... UNTIL ... END
indefinite loop structure.
--
DO →
UNTIL →
END T/F →
--
Related: END,UNTIL,WHILE
|
1A339 |
xDOERR
|
( n → )
( #n → )
( $ → )
( 0 → )
Do Error Cmd
--
Executes a "user-specified"
error, causing a program to behave
exactly as if a normal error
had occurred during program execution.
--
Related: ERRM,ERRN,ERR0
|
1BFFE |
xDOT
|
( [1] [2] → x )
Dot Product Cmd
--
Returns the dot product AoB of
two arrays A and B, calculated
as the sum of the products of the
corresponding elements of the two
arrays.
--
Related: CNRM,CROSS,DET,RNRM
|
1E190 |
xDRAW
|
( → )
Draw Plot Cmd
--
Plots the mathematical data in
the reserved variable EQ or the
statistical data in the reserved
variable ΣDAT, using the
specified x- and y-axis display
ranges.
--
<REF>TEXT:Reserved|EQ
--
Related: AUTO,AXES,DRAX,ERASE,FREEZE, PICTURE,LABEL,PVIEW
|
1E1C6 |
xDRAX
|
( → )
Draw Axes Cmd
--
Draws axes in PICT.
--
Related: AXES,DRAW,LABEL
|
1FBD8 |
xDROP
|
( ob → )
Drop Object Cmd
--
Removes the level 1 object from
the stack.
--
Related: CLEAR,DROPN,DROP2
|
1FBF3 |
xDROP2
|
( ob1 ob2 → )
Drop 2 Objects Cmd
--
Removes the first two objects
from the stack.
--
Related: CLEAR,DROP,DROPN
|
1FC64 |
xDROPN
|
( ob1...obn n → )
Drop n Objects Cmd
--
Removes the first n + 1 objects
from the stack (the first n objects
excluding the integer n itself).
--
Related: CLEAR,DROP,DROP2
|
22633 |
xDTAG
|
( tag:obj → obj )
Delete Tag Cmd
--
DTAG removes all tags (labels)
from an object.
--
Related: LIST→,→TAG
|
1FB87 |
xDUP
|
( ob → ob ob )
Duplicate Object Cmd
--
DUP returns a copy to level 1 of
the object in level 1.
--
Related: DUPN,DUP2,PICK
|
1FBA2 |
xDUP2
|
( 1 2 → 1 2 1 2 )
Duplicate 2 Objects Cmd
--
DUP2 returns copies of the objects
in levels 1 and 2 of the stack.
--
Related: DUP,DUPN,PICK
|
1FC7F |
xDUPN
|
( 1...n n → 1...n 1...n )
Duplicate n Objects Cmd
--
Takes an integer n from level 1
of the stack, and returns copies
of the objects in stack levels
2n through n + 1.
--
Related: DUP,DUP2,PICK
|
1BEC8 |
xD>R
|
( x → (π/180)x )
Degrees to Radians Func
--
Converts a real number representing
an angle in degrees to its
equivalent in radians.
--
x → (π/180) x
'sym' → 'D→R(sym)'
--
Related: R→D
UserRPL: xD→R
|
1AB23 |
xCONSTANTe
|
( → e )
e Func
--
Returns the symbolic constant e
or its numerical representation,
2.71828182846.
--
Related: EXP,EXPM,i,LN,LNP1,MAXR,MINR,π
UserRPL: xe
|
22FB5 |
xELSE
|
( → )
ELSE Cmd
--
Starts false clause in conditional
or error-trapping structure.
See the IF and IFERR keyword
entries for syntax information.
--
Related: IF,CASE,DO,ELSE,IFERR,REPEAT, THEN,UNTIL,WHILE
|
236B9 |
xENDDO
|
( 1/0 → )
END Cmd
--
Ends conditional, error-trapping,
and indefinite loop structures.
;
See the IF, CASE, IFERR, DO, and
WHILE keyword entries for syntax
information.
--
Related: IF,CASE,DO,ELSE,IFERR,REPEAT, THEN,UNTIL,WHILE
UserRPL: xEND
|
22FD5 |
xIFEND
|
END Cmd
--
Ends conditional, error-trapping,
and indefinite loop structures.
--
See the IF, CASE, IFERR, DO, and
WHILE keyword entries for syntax
information.
--
Related: IF,CASE,DO,ELSE,IFERR,REPEAT, THEN,UNTIL,WHILE
UserRPL: xEND
|
23694 |
xWHILEEND
|
END Cmd
--
Ends conditional, error-trapping,
and indefinite loop structures.
--
See the IF, CASE, IFERR, DO, and
WHILE keyword entries for syntax
information.
--
Related: IF,CASE,DO,ELSE,IFERR,REPEAT, THEN,UNTIL,WHILE
UserRPL: xEND
|
1C452 |
xENG
|
( n → )
Engineering Mode Cmd
--
Sets the number display format to
Engineering mode, which displays
one to three digits to the left
of the fraction mark (decimal
point) and an exponent that is a
multiple of three. The total
number of significant digits
displayed is n + 1.
--
Related: FIX,SCI,STD
|
1CEE3 |
xEQ>
|
( 'l=r' → l r )
Equation to Stack Cmd
--
Separates an equation into its
left and right sides.
--
'sym1=sym2' → 'sym1' 'sym2'
z → z 0
'name' → 'name' 0
x_u → x_u 0
'sym' → 'sym' 0
--
Related: ARRY→,DTAG,LIST→,OBJ→,STR→
UserRPL: xEQ→
|
1E25F |
xERASE
|
( → )
Erase PICT Cmd
--
Erases PICT, leaving a blank PICT
of the same dimensions.
--
Related: DRAW
|
1A36D |
xERR0
|
( → )
Clear Last Error Number Cmd
--
Clears the last error number so
that a subsequent execution of
ERRN returns # 0h, and clears the
last error message.
--
Related: DOERR,ERRM,ERRN
|
1A3A3 |
xERRM
|
( → $msg )
Error Message Cmd
--
Returns a string containing the
error message of the most recent
calculator error.
--
Related: DOERR,ERRN,ERR0
|
1A388 |
xERRN
|
( → $nerr )
Error Number Cmd
--
Returns the error number of the
most recent calculator error.
--
Related: DOERR,ERRM,ERR0
|
1A3BE |
xEVAL
|
( ob → ? )
Evaluate Object Cmd
--
Evaluates the object.
--
obj → (see below)
Obj. Type Effects of Evaluation
Local Name Recalls the contents
of the variable.
Global Name Calls the contents of
the variable:
;
A name is evaluated.
A program is evaluated.
A directory becomes the current
directory.
Other objects are put on the
stack.
If no variable exists for a given
name, evaluating the name returns
the name to the stack.
Program. Enters each object in
the program:
Names are evaluated (unless quoted).
ed).
Cmds are evaluated.
Other objects are put on the
stack.
List Enters each object in the
list:
Names are evaluated.
Cmds are evaluated.
Programs are evaluated.
Other objects are put on the
stack.
Tagged If the tag specifies a
port, recalls and evaluates the
specified object. Otherwise, puts
the untagged object on the stack.
Algebraic Enters each object in
the algebraic expression:
Names are evaluated.
Cmds are evaluated.
Other objects are put on the
stack.
Cmd,
Func, XLIB
Name Evaluates the specified object.
Other Objects Puts the object on
the stack.
--
Related: →NUM,SYSEVAL
|
1B905 |
xEXP
|
( x → x' )
Exponential Analytic Func
--
Returns the exponential, or
natural antilogarithm, of the
argument; that is, e raised to
the given power.
--
z → ez
'sym' → 'EXP(sym)'
--
Related: ALOG,EXPM,LN,LOG
|
20A49 |
xEXPAN
|
( symb1 → symb2 )
Expand Products Cmd
--
Rewrites an algebraic expression
or equation by expanding products
and powers.
--
Related: COLCT,EXPAND,ISOL,QUAD,SHOW
|
201FB |
xEXPFIT
|
( → )
Exponential Curve Fit Cmd
--
Stores EXPFIT as the fifth parameter
in the reserved variable
ΣPAR, indicating that subsequent
executions of LR are to use the
exponential curve futting model.
--
<REF>TEXT:Reserved|ΣPAR
--
Related: BESTFIT,LR,LINFIT,LOGFIT,PWRFIT
|
1BAC2 |
xEXPM
|
( x → x' )
Exponential Minus 1 Analytic Func
--
Returns e^x - 1.
--
x → e^x - 1
'sym' → 'EXPM(sym)'
--
Related: EXP,LNP1
|
1C360 |
xFC?
|
( n → 0/1 )
Flag Clear? Cmd
--
Tests whether the system or user
flag specified by nflag number is
clear, and returns a corresponding
test result: 1 (true) if the
flag is clear or 0 (false) if the
flag is set.
--
Related: CF,FC?C,FS?,FS?C,SF
|
1C520 |
xFC?C
|
( n → 0/1 )
Flag Clear? Clear Cmd
--
Tests whether the system or user
flag specified by nflag number is
clear, and returns a corresponding
test result: 1 (true) if the
flag is clear or 0 (false) if the
flag is set. After testing,
clears the flag.
--
Related: CF,FC?,FS?,FS?C,SF
|
19948 |
xFINDALARM
|
( date → n )
( {date time} → n )
( 0 → n )
Find Alarm Cmd
--
Returns the alarm index nindex of
the first alarm due after the
specified time.
--
Related: DELALARM,RCLALARM,STOALARM
|
21FB6 |
xFINISH
|
( → )
Finish Server Mode Cmd
--
Terminates Kermit Server mode in
a device connected to an HP 48.
--
Related: BAUD,CKSM,KGET,PARITY,PKT, RECN,RECV,SEND,SERVER
|
1C3EA |
xFIX
|
( n → )
Fix Mode Cmd
--
Sets the number display format to
Fix mode, which rounds the display
to n display places.
--
Related: SCI,STD,ENG
|
1BBD9 |
xFLOOR
|
( x → n )
Floor Func
--
Returns the greatest integer that
is less than or equal to the argument.
--
x → n
x_u → n_u
'sym' → 'FLOOR(sym)'
--
Related: CEIL,IP,RND,TRNC
|
231A0 |
xSTARTVAR
|
( start finish → )
FOR Definite Loop Structure Cmd
--
Starts
FOR ... NEXT and
FOR ... STEP
definite loop structures.
--
FOR xstart xfinish →
NEXT →
FOR xstart xfinish →
STEP xincrement →
STEP 'symincrement' →
--
Related: NEXT,START,STEP
UserRPL: xFOR
|
1BBA3 |
xFP
|
( x → x' )
Fractional part Func
--
Returns the fractional part of an
argument.
--
x → y
x_u → y_u
'sym' → 'FP(sym)'
--
Related: IP
|
213D1 |
xFREE
|
Not useful on the 49G.
Free RAM Card Cmd
--
Frees (makes independent) the
previously merged RAM in port 1.
FREE is provided for compatibility
with the HP 48SX, which could
merge RAM in port 2 as well. See
FREE1.
--
{ } nport →
{ namebackup ... nlib } nport →
namebackup nport →
nlib nport →
|
1A5A4 |
xFREEZE
|
( n → )
Freeze Display Cmd
--
Freezes the part of the display
specified by ndisplay area, so
that it is not updated until a
key is pressed.
--
Related: CLLCD,DISP,HALT
|
1C4A1 |
xFS?C
|
( n → 0/1 )
Flag Set? Clear Cmd
--
Tests whether the system or user
flag specified by nflag number is
clear, and returns a corresponding
test result: 1 (true) if the
flag is set or 0 (false) if the
flag is clear. After testing,
clears the flag
--
Related: CF,FC?,FC?C,FS?C,SF
|
1C313 |
xFS?
|
( n → 0/1 )
Flag Set Cmd
--
Tests whether the system or user
flag specified by nflag number is
set, and returns a corresponding
test result: 1 (true) if the flag
is set or 0 (false) if the flag
is clear.
--
Related: CF,FC?,FC?C,FS?,SF
|
1E661 |
xFUNCTION
|
( → )
Function Plot Type Cmd
--
Sets the plot type to FUNCTION.
--
Related: BAR,CONIC,DIFFEQ,FASTEQ,FAST3D, GRIDMAP,HISTOGRAM,PARAMETRIC,PARSURFACE, PCONTOUR,POLAR,SCATTER,SLOPEFIELD,TRUTH, WIREFRAME,YSLICE
|