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Frequently Asked Questions

What is ASCII?

ASCII (American Standard Code for Information Interchange) is a coding system that allows each typed character to be standardised. Each typed character has its own unique code; for example, (capital) A has the ASCII code 65. A table of the main ASCII characters are listed below.


ASCII
Character

ASCII
Character

ASCII
Character
32
<SPACE> 
64
@ 
96
`
33
! 
65
A 
97
a
34
" 
66
B 
98
b
35
# 
67
C 
99
c
36
$ 
68
D 
100
d
37
% 
69
E 
101
e
38
& 
70
F 
102
f
39
' 
71
G 
103
g
40
( 
72
H 
104
h
41
) 
73
I 
105
i
42
* 
74
J 
106
j
43
+ 
75
K 
107
k
44
, 
76
L 
108
l
45
- 
77
M 
109
m
46
. 
78
N 
110
n
47
/ 
79
O 
111
o
48
0 
80
P 
112
p
49
1 
81
Q 
113
q
50
2 
82
R 
114
r
51
3 
83
S 
115
s
52
4 
84
T 
116
t
53
5 
85
U 
117
u
54
6 
86
V 
118
v
55
7 
87
W 
119
w
56
8 
88
X 
120
x
57
9 
89
Y 
121
y
58
: 
90
Z 
122
z
59
; 
91
[ 
123
{
60
< 
92
\ 
124
|
61
= 
93
] 
125
}
62
> 
94
^ 
126
~
63
? 
95
_ 
127
<DEL>

The ASCII characters below 32 are reserved for special non-printable purposes. For example, ASCII code 13 is used for <ENTER> (carriage return) and 27 is <ESC> (escape). The codes above 127 are extended ASCII, for example, 247 is the divide symbol (÷).