HP 48g Graphing Calculator User Manual
Page 501
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Name, Key,
or Label
Description, Type, and Keys
Page
IFERR
Begins test danse.
C
(PRGl (NXT)
E R R 0 R IF E R R I h E R R
29-15
Q
iferr
Types IFERR THEN END.
O iP R G l fN X T ) E R R 0 R I F E R R
29-15
0 IFERR
Types IFERR THEN ELSE END.
O iP R G lfN X T ) F R R O R fi+ lI F E R K
29-15
IFFT
Computes the Inverse Discrete Fourier Transform
of an array ( x ) .
C ( M T H l f N X T )
F F T IF F T
13-8
IFT
Evaluates an object (r) if a test value (^) is a
non-zero real number.
C fP R G ] B R C H iN X T l IF T
H-9
IFTE
Evaluates one object {^) if a test value ( e r ) is a
non-zero real niimber or another object (r) if the
test value is zero.
F ( P R G l B R C H ( N X T l I F T E
H - 9
I M
Returns imaginary part of complex number or
array ( x ) .
F f MTH
1
(NXTI CM PL IM
12-14
INCR
Increments value of specified variable (r).
C
(^(MEMORY) HR I TH I HCR
H-9
INDEP
Specifies independent variable (r) in a plot.
C (^ ( P L O T )
p p h r
i h d e p
H-10
INFO
Displays information about reserved variables.
0 ( ^
i
K
p
L O T ) (NXTl .1. HF0
(^ ( P L O T ) P P fiR (
n x t
H
n x t
)
IN F O
(^ ( P L O T l( N X T ) 3 D V P H R
(4 ^ (P L O T
1
(
N X T
1
3 D V P
H
R
(N X T l IN F O
( ♦
i
K P L O T K
n
X T ) 3 T R 1
S P A R
1 H F 0
(^ ( S T A T )
S P R R
IN F O
r^ d /O j I 0 P H R (N X T
)
I
N
F 0
(^)(I/
0
)
P R 1 H T P R 1 P R 1 H F U
27-15
(deration Index G-21