copy
#
   0 1 3 2 # 1 2 3 4
2 3 3 3 4 4
   1 0 1 # 3 4 $ i. 12
0 1  2  3
8 9 10 11
   1 0 1 # i. 3 4
0 1  2  3
8 9 10 11
   i. 3 4 5
 0  1  2  3  4
 5  6  7  8  9
10 11 12 13 14
15 16 17 18 19

20 21 22 23 24
25 26 27 28 29
30 31 32 33 34
35 36 37 38 39

40 41 42 43 44
45 46 47 48 49
50 51 52 53 54
55 56 57 58 59
   2 # 1 2 3 4
1 1 2 2 3 3 4 4
   2 + 1 2 3 4 
3 4 5 6
   1 2 # 1 2 3 4
|length error: lecture
|   1 2    #1 2 3 4
|[-7] history-20080916
   # 3 4 $ i. 12
3
   txt =:'Now is the time to do the work'
   (' ' ~:txt)#txt
Nowisthetimetodothework
   ls =: 2 _10 3 _100
   (ls >: 0)#ls
2 3
   foo =: 3 4 $ i. 12
   foo
0 1  2  3
4 5  6  7
8 9 10 11
   $foo
3 4
   #$foo
2
   s =: $foo
   #$s
1
   w
|value error: w
|[-19] history-20080916
   s
3 4
   foo
0 1  2  3
4 5  6  7
8 9 10 11
   +/ "0 foo
0 1  2  3
4 5  6  7
8 9 10 11
   +/ "1 foo
6 22 38
   +/ "2 foo
12 15 18 21
   +/  foo
12 15 18 21
   3 ( 3:'x+y') 4
|syntax error
|       3(3:'x+y')4
|[-26] history-20080916
   3 monad def 'x+y' 4
|domain error
|   3     monad def'x+y'4
|[-27] history-20080916
   3 ( 4:'x+y') 4
|syntax error
|       3(4:'x+y')4
|[-28] history-20080916
   dyad
4
   3 dyad def 'x+y' 4
7
   dyad def 'x+y'
4 : 'x+y'
   3 ( 4 :'x+y') 4
7
   4: 39
4
   4: foo
4
   {. foo
0 1 2 3
   }. foo
4 5  6  7
8 9 10 11
   foo
0 1  2  3
4 5  6  7
8 9 10 11
   txt
Now is the time to do the work
   txt i.
|syntax error
|       txt i.
|[-39] history-20080916
   txt i.' '
3
   (' '=txt)#i.$txt
3 6 10 15 18 21 25
   txt
Now is the time to do the work
   $txt
30
   i.$txt
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29
   (' '=txt)
0 0 0 1 0 0 1 0 0 0 1 0 0 0 0 1 0 0 1 0 0 1 0 0 0 1 0 0 0 0
   -. 0 1
1 0
   0 1 +. / 0 1
0 1
1 1
   0 1 *./ 0 1
0 0
0 1
   0 1 ~: / 0 1
0 1
1 0
   0 1 0: / 0 1
0
   0 1 (0: /) 0 1
0
   txt
Now is the time to do the work
   ;/ txt
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
|N|o|w| |i|s| |t|h|e| |t|i|m|e| |t|o| |d|o| |t|h|e| |w|o|r|k|
+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
   'hi' ; 'there'; i. 10
+--+-----+-------------------+
|hi|there|0 1 2 3 4 5 6 7 8 9|
+--+-----+-------------------+