ISO IR-68

ISO IR-68 is character set developed by ISO. It is used to write APL programming language.

Character set

ISO IR-68

	_0	_1	_2	_3	_4	_5	_6	_7	_8	_9	_A	_B	_C	_D	_E	_F
0_	NUL 0000 0	SOH 0001 1	STX 0002 2	ETX 0003 3	EOT 0004 4	ENQ 0005 5	ACK 0006 6	BEL 0007 7	BS 0008 8	HT 0009 9	LF 000A 10	VT 000B 11	FF 000C 12	CR 000D 13	SO 000E 14	SI 000F 15
1_	DLE 0010 16	DC1 0011 17	DC2 0012 18	DC3 0013 19	DC4 0014 20	NAK 0015 21	SYN 0016 22	ETB 0017 23	CAN 0018 24	EM 0019 25	SUB 001A 26	ESC 001B 27	FS 001C 28	GS 001D 29	RS 001E 30	US 001F 31
2_	SP 0020 32	¨ 00A8 33	) 0029 34	< 003C 35	≤ 2264 36	= 003D 37	> 003E 38	] 005D 39	∧ 2227 40	∨ 2228 41	≠ 2260 42	÷ 00F7 43	, 002C 44	+ 002B 45	. 002E 46	/ 002F 47
3_	0 0030 48	1 0031 49	2 0032 50	3 0033 51	4 0034 52	5 0035 53	6 0036 54	7 0037 55	8 0038 56	9 0039 57	( 0028 58	[ 005B 59	; 003B 60	× 00D7 61	: 003A 62	\ 005C 63
4_	¯ 00AF 64	⍺ 237A 65	⊥ 22A5 66	∩ 2229 67	⌊ 230A 68	∊ 220A 69	_ 005F 70	∇ 2207 71	∆ 2206 72	⍳ 2373 73	∘ 2218 74	' 0027 75	⎕ 2295 76	| 007C 77	⊤ 22A4 78	○ 25CB 79
5_	⋆ 22C6 80	? 003F 81	⍴ 2374 82	⌈ 2309 83	∼ 223C 84	↓ 2193 85	∪ 222A 86	⍵ 2375 87	⊃ 2283 88	↑ 2191 89	⊂ 2282 90	← 2190 91	⊢ 22A2 92	→ 2192 93	≥ 2265 94	- 002D 95
6_	⋄ 22C4 96	A 0041 97	B 0042 98	C 0043 99	D 0044 100	E 0045 101	F 0046 102	G 0047 103	H 0048 104	I 0049 105	J 004A 106	K 004B 107	L 004C 108	M 004D 109	N 004E 110	O 004F 111
7_	P 0050 112	Q 0051 113	R 0052 114	S 0053 115	T 0054 116	U 0055 117	V 0056 118	W 0057 119	X 0058 120	Y 0059 121	Z 005A 122	{ 007B 123	⊣ 22A3 124	} 007D 125	$ 0024 126	DEL 007F 127
	_0	_1	_2	_3	_4	_5	_6	_7	_8	_9	_A	_B	_C	_D	_E	_F

Composite characters

Some of the above characters can be used to produce composite characters, such as the following:

Combined characters	Composite character(s)	Unicode
÷ and ⎕	⌹	U+2339
_ and ∆	⍙	U+2359
_ and A to Z	A to Z
∘ and ⊥	⍎	U+234E
∘ and ∩	⍝	U+235D
∘ and ⊤	⍕	U+2355
' and .	!	U+0021
' and ⎕	⍞	U+235E
| and ∇	⍒	U+234B
| and ∆	⍋	U+2352
○ and \	⍉	U+2349
○ and |	⌽	U+233D
○ and ⋆	⍟	U+235F
○ and -	⊖	U+2296
∼ and ∧	⍲	U+2372
∼ and ∨	⍱	U+2371
∼ and ∇	⍫	U+236B
- and /	⌿	U+233F
- and \	⍀	U+2340

References

• "APL Character Set for Workspace Interchange" (June 1, 1983)