Appendix D


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the digits at the left of the table are the left digits of the decimal equivalent (0–127) of the character code, and the digits at the top of the table are the right digits of the character code—e.g., the character code for “F” is 70, and the character code for “&” is 38. Most users of this book are interested in the ASCII character set used to represent English characters on many computers. The ASCII character set is a subset of the Unicode character set used by scripting languages to represent characters from most of the world’s languages.

ASCII character set

0 1 2 3 4 5 6 7 8 9
0 nul soh stx etx eot enq ack bel bs ht
1 nl vt ff cr so si dle dc1 dc2 dc3
2 dc4 nak syn etb can em sub esc fs gs
3 rs us sp ! " # $ % & `
4 () ) * + , - . / 0 1
5 2 3 4 5 6 7 8 9 : ;
6 < = > ? @ A B C D E
7 F G H I J K L M N O
8 P Q R S T U V W X Y
9 Z [ \ ] ^ _ ' a b c
10 d e f g h i j k l m
11 n o p q r s t u v w
12 x y z {} | } ~ del