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Tech Stuff IA5 (ISO 646) Table

An apparently simple subject which turns out to be brutally complicated - well to our modest brains - so we have also produced a mercifully short character code overview.

IA5 - or more correctly - International Reference Alphabet No. 5 (IRA5) and previously International Alphabet No. 5 (ISO 646) is defined in ITU-T T.50 and is a 7-bit character code (but encoded as 8 bits). ASCII is the US implementation of IA5 - there are multiple other national versions.

IA5 is almost the same as ASCII - differences are marked with * in the name column for our mutual convenience and because they may not show on your screen. There are only two printable differences - currency (hex 24 - decimal 36) and Equivalence (tilde) (hex 7E - decimal 126). Print it, stick it on YOUR wall and save OUR bandwidth!!.

If you are into HTML things, for example, © etc.. Remember if it is not in this table it is not IA5 and probably not ASCII either.

Char Hex Dec Name Char Hex Dec Name
NUL 00 0 Null @ 40 64 Commercial At
TC1 01 1 * A 41 65  
TC2 02 2 * B 42 66  
TC3 03 3 * C 43 67  
TC4 04 4 * D 44 68  
TC5 05 5 * E 45 69  
TC6 06 6 * F 46 70  
BEL 07 7 Bell G 47 71  
BS 08 8 Backspace H 48 72  
HT 09 9 Horizontal Tab I 49 73  
LF 0A 10 Line Feed J 4A 74  
VT 0B 11 Vertical Tab K 4B 75  
FF 0C 12 Form Feed L 4C 76  
CR 0D 13 Carriage Return M 4D 77  
SO 0E 14 Shift Out N 4E 78  
SI 0F 15 Shift In O 4F 79 Letter O
TC7 10 16 * P 50 80  
DC1 11 17 Device Control 1 Q 51 81 Letter Q
DC2 12 18 Device Control 2 R 52 82  
DC3 13 19 Device Control 3 S 53 83  
DC4 14 20 Device Control 4 T 54 84  
TC8 15 21 * U 55 85  
TC9 16 22 * V 56 86  
TC10 17 23 * W 57 87  
CAN 18 24 Cancel X 58 88  
EM 19 25 End of Medium Y 59 89  
SUB 1A 26 Substitute Z 5A 90  
ESC 1B 27 Escape [ 5B 91 Open Square Bracket
IS1 1C 28 * \ 5C 92 Back slash
IS2 1D 29 * ] 5D 93 Close Square Bracket
IS3 1E 30 * ^ 5E 94 Circumflex/caret
IS4 1F 31 * _ 5F 95 Underscore
SP 20 32 Space or Blank ' 60 96 Single Quote
! 21 33 Exclamation Point a 61 97  
" 22 34 Quotation Mark b 62 98  
# 23 35 Number sign (Pound sign) c 63 99  
(currency) 24 36 * d 64 100  
% 25 37 Percent Sign e 65 101  
& 26 38 Ampersand f 66 102  
' 27 39 Apostrophe (Single quote) g 67 103  
( 28 40 Opening Parenthesis h 68 104  
) 29 41 Closing Parenthesis i 69 105  
* 2A 42 Asterisk (Star sign) j 6A 106  
+ 2B 43 Plus Sign k 6B 107  
, 2C 44 Comma l 6C 108  
- 2D 45 Hyphen (Minus) m 6D 109  
. 2E 46 Dot (Period) n 6E 110  
/ 2F 47 Forward Slash o 6F 111 lower case o
0 30 48 Zero p 70 112  
1 31 49   q 71 113  
2 32 50   r 72 114  
3 33 51   s 73 115  
4 34 52   t 74 116  
5 35 53   u 75 117  
6 36 54   v 76 118  
7 37 55   w 77 119  
8 38 56   x 78 120  
9 39 57   y 79 121  
: 3A 58 Colon z 7A 122  
; 3B 59 Semi Colon { 7B 123 Open Curly Bracket
< 3C 60 Less Than | 7C 124 OR (Pipe)
= 3D 61 Equality } 7D 125 Close Curly Bracket
> 3E 62 Greater Than (over-line) 7E 126 *
? 3F 63 Question Mark DEL 7F 127 Delete


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