Appendix B: ASCII Code Lookup Tables
Non-Printing Characters
| Binary | Hex | Dec | Oct | ASCII Abbr. | Crtl Character (Command Prompt Display) | Description |
| 0000 0000 | 00 | 0 | 000 | NUL | ^@ | Null Character |
| 0000 0001 | 01 | 1 | 001 | SOH | ^A | Start of Header |
| 0000 0010 | 02 | 2 | 002 | STX | ^B | Start of Text |
| 0000 0011 | 03 | 3 | 003 | ETX | ^C | End of Text |
| 0000 0100 | 04 | 4 | 004 | EOT | ^D | End of Transmission |
| 0000 0101 | 05 | 5 | 005 | ENQ | ^E | Enquiry |
| 0000 0110 | 06 | 6 | 006 | ACK | ^F | Acknowledgment |
| 0000 0111 | 07 | 7 | 007 | BEL | ^G | Bell |
| 0000 1000 | 08 | 8 | 010 | BS | ^H | Backspace |
| 0000 1001 | 09 | 9 | 011 | HT | ^I | Horizontal Tab |
| 0000 1010 | 0A | 10 | 012 | LF | ^J | Line Feed |
| 0000 1011 | 0B | 11 | 013 | VT | ^K | Vertical Tab |
| 0000 1100 | 0C | 12 | 014 | FF | ^L | Form Feed |
| 0000 1101 | 0D | 13 | 015 | CR | ^M ... | |
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