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IBM 5100 Apl Reference Manual
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(
(
(
C
"
./
Syntax
)SAVE
[device/file
number
]
[workspace
I
D]
[:password]
where:
devicelfile
number
(optional)
is
the
number
of
the
tape
unit
and
file
on
the
tape
where
the
contents
of
the
active
workspace
are
to
be
written.
If
no
device/file
number
is
specified,
the
device/file
number
from
which
the
active
workspace
was
loaded
or
which
was
specified
by
a
previous
)WSI
D
command
is
used.
workspace
I
D
(optional)
is
the
name
of
the
workspace
to
be
stored.
This
name
must
match
the
workspace
I
D
of
both
the
active
workspace
and
the
file
to
b,e
used
on
the
tape
unless
the
file
is
marked
unused.
If
the
file
is
marked
unused,
the
active
workspace
and
tape
file
workspace
I
D
will
be
changed
to
this
workspace
ID.
If
no
name
is
specified
in
the
command,
the
name
of
the
active
workspace
is
used.
:password
(optional)
is
any
combination
of
up
to
eight
alphabetic
or
numeric
characters
(without
blanks),
preceded
by
a
colon.
This
sequence
of
characters
must
be
matched
when
the
stored
workspace
is
to
be
read
back
into
the
active
workspace.
If
no
workspace
ID
or
password
is
entered,
the
password
associated
with
the
active
workspace
(if
any)
is
assigned
to
the
workspace
being
stored.
If
just
the
workspace
I
D
and
no
password
is
entered,
any
password
associated
with
the
active
workspace
is
not
used.
The
)SI
Command
The
)SI
command
displays
the
names
of
the
suspended
and
pendent
user-defined
functions
(see
State
Indicator
in
Chapter
7).
The
suspended
functions
are
indicated
by
an
*,
with
the
most
recently
suspended
function
listed
first,
followed
by
the
next
most
~ecently
suspended
function,
and
so
on.
Syntax
)SI
There
are
no
parameters.
The
)SIV
Command
The
)SI
V
command
displays
the
names
of
the
suspended
and
pendent
user-
defined
functions
(see
State
Indicator
in
Chapter
7)
and
the
names
local
to
each
function.
The
suspended
functions
are
indicated
by
an
*,
with
the
most
recently
suspended
function
listed
first,
followed
by
the
next
most
recently
suspended
function,
and
so
on.
27
30
32
Table of Contents
Default Chapter
3
Table of Contents
3
Chapter 1 . Operation
6
Display Screen
6
Switches
6
Power on or Restart Procedures
6
Display Screen Control
7
Keyboard
9
Attention
9
Hold
10
Execute
10
Command
10
Positioning the Cursor and Information on the Display Screen
10
Copy Display
12
Indicator Lights
12
Process Check
12
In Process
13
Chapter 2. System Commands
14
System Overview
14
System Command Descriptions
14
The )CLEAR Command
17
The )CONTINUE Command
17
The )COPY Command
18
The )DROP Command
19
I the )ERASE Command
19
The )FNS Command
20
The )LIB Command
20
The) LOA D Command
22
The )MARK Command
22
The )MODE Command
24
The )OUTSEL Command
24
The )PATCH Command
25
The) PCOPY Command
29
The )REWIND Command
30
The )SAVE Command
30
The )Sf Command
31
The )SIV Command
31
The )SYMBOLS Command
32
The )VARS Command
33
The )WSID Command
33
Chapter 3. Data
34
Variables
34
Data Representation
34
Numbers
34
Scaled Representation (Scientific Notation)
35
Character Constants
35
Logical Data
36
Scalar
36
Arrays
36
Generating Arrays
37
Finding the Shape of an Array
39
Empty Arrays
40
Catenation
41
Indexing
43
Chapter 4. Primitive (Built-In) Functions
47
Primitive Scalar Functions
47
The + Function: Conjugate, Plus
48
The - Function: Negation, Minus
49
The X Function: Signum, Times
50
The"," Function: Reciprocal, Divide
52
Function: Ceiling, Maximum
53
The L Function: Floor, Minimum
55
The I Function: Magnitude, Residue
56
The * Function: Exponential, Power 54
58
The ~ Function: Natural Log, Logarithm
59
The 0 Function: Pi Times, Circular
60
The! Function: Factorial, Binomial
63
The? Function: Roll
65
The Function: and
66
The V Function: or
67
The'" Function: Not
68
The Afunction: Nand
69
The Vfunction: nor
70
The> Function: Greater than
71
The = Function: Equal to
72
The < Function: Less than
73
The Function: Greater than or Equal to
74
The,; Function: Less than or Equal to
75
The Function: Not Equal to
76
Primitive Mixed Functions
77
The P Function: Shape, Reshape (Structure)
79
The, Function: Rpvel, Catenate, Laminate
81
The Function: Compress
85
The \ Function: Expand
86
The Function: Grade up
87
The 'F Function: Grade down
88
Function: Drop
91
The 1 Function: Index Generator, Index of
92
The ¢ Function: Reverse, Rotate
93
The ~ Function: Transpose, Generalized Transpose
97
The? Function: Deal
99
The 1. Function: Decode (Base Value)
100
The T Function: Encode (Representation)
103
The E Function: Membership
108
The .T Function: Execute
111
The ~ Function: Format
112
APL Operators
115
Reduction Operator (I)
115
Inner Product Operator
117
Outer Product Operator (0 .)
120
Scan Operator
122
Special Symbols
124
Assignment Arrow
124
Branch Arrow -)
125
Quad Quote [!]
126
Comment R
126
Parentheses ( )
126
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IBM 5100 Specifications
General
Release Year
1975
RAM
16 KB - 64 KB
Storage
204 KB tape drive
Display
5-inch CRT
Operating System
APL/BASIC
Processor
IBM PALM (1.9 MHz)
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