Index
)CLEAR command 11,14
)CONTINUE command 12,14,19,26,173
)COPY command 11,14,25
)DROP command 12,16
)ERASE command 11, 16
)FNS command 12,17
)LIB command 12,17
)LOAD command 11,19
)MARK command 12,19
)MODE command 12,21
IOUTSE L command 12,21,164
)PATCH command 12,22
)PCOPY command 1 1,14,25
IREWIND command 12,26
)SAVE command 12,14,19,25,173
)sI command 12,27,155
)SIV command 12,27,143
)SYMBOLS command 11,28
)VARS command 12,28
)WSI D command 11,15,19,27,29
[I] index entry 75
[01 148
[On] 148
[no1 148
[An] 149
0: 145
Oinput 145
OAV system variable 126
OCT system variable 124
OCR function 128
OEX function 132
OFX function 129
0 10 system variable 125
0 LC system variable 126
0 LX system variable 126
ONC function 133
ONL function 132
UPP system variable 125
OPW system variable 126
0 RL system variable 126
OSVO function 158
OSVR function 164
OWA system variable 126
Binput 145
Boutput 146
Ofunction 105
'e' raised to a power
Vsymbol 134
+O 138
@ character 145
* 155
+function 44
-function 45
xfunction 46
ifunction 48
[function 50
Lfunction 51
54
21 4
I function 52
*function 54
@function 55
Ofunction 56
I function 59
7 function 61,95
Afunction 62
Vfunction 63
-function 64
A function 65
V function 66
>function 67
=function 68
<function 69
>function 70
Sfunction 71
#function 72
pfunction 75
,function 77
/function 81
\function 82
4 function 83
vfunction 84
1. function 86
J. function 87
1 function 88
C$ function 89
4function 93
Ifunction 96
Tfunction 99
E function 104
p function 107
Tfunction 108
/operator 11 1
\ operator 1 18
, operator 11 3
0 . operator 1 16
N
N
abandoned execution 147
absolute value 52
active referent 132, 142
active workspace 11
adapter for TV monitors 1
ADD operation 160, 163
add statements 148
alphameric keys 6
amount of unused space 126
and function A 62
APL character set 200
APL characters 126
APL command keyword 7
APL internal data format 161
APL language symbols 6
APL operators 11 1

APL shared variable 21, 158
arguments 43
arranging output 146
arrays 32
assignment arrow +- 120
atomic vector UAV 126,201
attention key 6, 155
automatically execute expression 126
auxiliary tape unit 1
available storage 18
available workspace 126
backspace key 8
bare output 146
bare output prefix 146
basevalue 96
BASWAPL switch 4
binomial function I 60
branch armw + 120,137
branch instructions 139
branch to a specific statement number
branch to zero 138
branching 137
brightness control 10
built-in functions 43
bytes of storage 172
139
canonical representation OCR 128
catenate function, 37, 77
catenation 37
ceiling function r 50
change an array to a character array
change the device/file number and workspace ID
change the number of symbols allowed
change the sign 45
character constant 31, 172
character set 200
checkout procedure
APL 191
printer 199
tape unit 197
108
29
28
circular function 0 56
clear suspended functions 157,172
clear workspace attributes 14
clearing suspended functions 157
close data files 164
coefficient matrices 105
combinations of B 60
command key 7
command keyword 7
commands that control the active workspace
commands that control the library (tape)
commands that provide information about the system
commands, system 11
11
12
12
comment A
121,135
communications adapter 1
communications mode 21
communications program 21
comparison tolerance OCT 124
compress function / 81
conditional bianch 138
conjugate function + 44
consecutive integers 88
conserve storage 172
coordinate 33, 75
copy display 9
copy display key 6
copy objects into the active workspace
creating a new coordinate 79
creating lists 39
cursor 1,7
cursor return character (X'9C') 163
15,25
dark characters 5
data file 159, 172
data representation 30
data security 170
data to be printed 21
deal function 7 95
decode function 1 96
defective records 18
defining a function 134
del Vsymbol 134
delete characters 8
delete statements 148
device/file number 13, 160
display characters in alternate positions
display device/file number and workspace ID
display file headers 17
display local names 142
display messages 144
display names of suspended functions 27
DISPLAY REGISTERS switch 5
display screen 1
display screen control 5
display the existing shared variable names
display the number of symbols allowed
display the variable names 28
display userdefined function names 17
display value of a variable 30
displaying a userdefined function 148
displaying more than one value on the same line
divide function i 48
drop elements from an argument
dropfunction G 87
dual-language machines 4
dyadic 43
dyadic functions 135
dyadic mixed functions 73
5
29
159
28
146
87
21 5