4.1. Encoding ASCII

4.1.1. Control Characters

Table 4.1. ASCII Table Control Characters

DEC

OCT

HEX

BIN

Symbol

HTML Number

HTML Name

Description

0

0

00

0

NUL

�

Null character

1

1

01

1

SOH



Start of Heading

2

2

02

10

STX



Start of Text

3

3

03

11

ETX



End of Text

4

4

04

100

EOT



End of Transmission

5

5

05

101

ENQ



Enquiry

6

6

06

110

ACK



Acknowledge

7

7

07

111

BEL



Bell, Alert

8

10

08

1000

BS



Backspace

9

11

09

1001

HT

	

Horizontal Tab

10

12

0A

1010

LF




Line Feed

11

13

0B

1011

VT



Vertical Tabulation

12

14

0C

1100

FF



Form Feed

13

15

0D

1101

CR



Carriage Return

14

16

0E

1110

SO



Shift Out

15

17

0F

1111

SI



Shift In

16

20

10

10000

DLE



Data Link Escape

17

21

11

10001

DC1



Device Control One (XON)

18

22

12

10010

DC2



Device Control Two

19

23

13

10011

DC3



Device Control Three (XOFF)

20

24

14

10100

DC4



Device Control Four

21

25

15

10101

NAK



Negative Acknowledge

22

26

16

10110

SYN



Synchronous Idle

23

27

17

10111

ETB



End of Transmission Block

24

30

18

11000

CAN



Cancel

25

31

19

11001

EM



End of medium

26

32

1A

11010

SUB



Substitute

27

33

1B

11011

ESC



Escape

28

34

1C

11100

FS



File Separator

29

35

1D

11101

GS



Group Separator

30

36

1E

11110

RS



Record Separator

31

37

1F

11111

US



Unit Separator

4.1.2. Printable Characters

Table 4.2. ASCII Table Printable Characters

DEC

OCT

HEX

BIN

Symbol

HTML Number

HTML Name

Description

32

40

20

100000

SP

 

Space

33

41

21

100001

!

!

!

Exclamation mark

34

42

22

100010

"

"

"

Double quotes (or speech marks)

35

43

23

100011

#

#

#

Number sign

36

44

24

100100

$

$

$

Dollar

37

45

25

100101

%

%

%

Per cent sign

38

46

26

100110

&

&

&

Ampersand

39

47

27

100111

'

'

'

Single quote

40

50

28

101000

(

(

&lparen;

Open parenthesis (or open bracket)

41

51

29

101001

)

)

&rparen;

Close parenthesis (or close bracket)

42

52

2A

101010

*

*

Asterisk

43

53

2B

101011

+

+

Plus

44

54

2C

101100

,

,

,

Comma

45

55

2D

101101

-

Hyphen-minus

46

56

2E

101110

.

.

.

Period, dot or full stop

47

57

2F

101111

/

/

/

Slash or divide

48

60

30

110000

0

0

Zero

49

61

31

110001

1

1

One

50

62

32

110010

2

2

Two

51

63

33

110011

3

3

Three

52

64

34

110100

4

4

Four

53

65

35

110101

5

5

Five

54

66

36

110110

6

6

Six

55

67

37

110111

7

7

Seven

56

70

38

111000

8

8

Eight

57

71

39

111001

9

9

Nine

58

72

3A

111010

:

:

:

Colon

59

73

3B

111011

;

&#59;

;

Semicolon

60

74

3C

111100

<

&#60;

&lt;

Less than (or open angled bracket)

61

75

3D

111101

=

&#61;

&equals;

Equals

62

76

3E

111110

>

&#62;

&gt;

Greater than (or close angled bracket)

63

77

3F

111111

?

&#63;

&quest;

Question mark

64

100

40

1000000

@

&#64;

&commat;

At sign

65

101

41

1000001

A

&#65;

Uppercase A

66

102

42

1000010

B

&#66;

Uppercase B

67

103

43

1000011

C

&#67;

Uppercase C

68

104

44

1000100

D

&#68;

Uppercase D

69

105

45

1000101

E

&#69;

Uppercase E

70

106

46

1000110

F

&#70;

Uppercase F

71

107

47

1000111

G

&#71;

Uppercase G

72

110

48

1001000

H

&#72;

Uppercase H

73

111

49

1001001

I

&#73;

Uppercase I

74

112

4A

1001010

J

&#74;

Uppercase J

75

113

4B

1001011

K

&#75;

Uppercase K

76

114

4C

1001100

L

&#76;

Uppercase L

77

115

4D

1001101

M

&#77;

Uppercase M

78

116

4E

1001110

N

&#78;

Uppercase N

79

117

4F

1001111

O

&#79;

Uppercase O

80

120

50

1010000

P

&#80;

Uppercase P

81

121

51

1010001

Q

&#81;

Uppercase Q

82

122

52

1010010

R

&#82;

Uppercase R

83

123

53

1010011

S

&#83;

Uppercase S

84

124

54

1010100

T

&#84;

Uppercase T

85

125

55

1010101

U

&#85;

Uppercase U

86

126

56

1010110

V

&#86;

Uppercase V

87

127

57

1010111

W

&#87;

Uppercase W

88

130

58

1011000

X

&#88;

Uppercase X

89

131

59

1011001

Y

&#89;

Uppercase Y

90

132

5A

1011010

Z

&#90;

Uppercase Z

91

133

5B

1011011

[

&#91;

&lsqb;

Opening bracket

92

134

5C

1011100

&#92;

&bsol;

Backslash

93

135

5D

1011101

]

&#93;

&rsqb;

Closing bracket

94

136

5E

1011110

^

&#94;

&Hat;

Caret - circumflex

95

137

5F

1011111

_

&#95;

&lowbar;

Underscore

96

140

60

1100000

`

&#96;

&grave;

Grave accent

97

141

61

1100001

a

&#97;

Lowercase a

98

142

62

1100010

b

&#98;

Lowercase b

99

143

63

1100011

c

&#99;

Lowercase c

100

144

64

1100100

d

&#100;

Lowercase d

101

145

65

1100101

e

&#101;

Lowercase e

102

146

66

1100110

f

&#102;

Lowercase f

103

147

67

1100111

g

&#103;

Lowercase g

104

150

68

1101000

h

&#104;

Lowercase h

105

151

69

1101001

i

&#105;

Lowercase i

106

152

6A

1101010

j

&#106;

Lowercase j

107

153

6B

1101011

k

&#107;

Lowercase k

108

154

6C

1101100

l

&#108;

Lowercase l

109

155

6D

1101101

m

&#109;

Lowercase m

110

156

6E

1101110

n

&#110;

Lowercase n

111

157

6F

1101111

o

&#111;

Lowercase o

112

160

70

1110000

p

&#112;

Lowercase p

113

161

71

1110001

q

&#113;

Lowercase q

114

162

72

1110010

r

&#114;

Lowercase r

115

163

73

1110011

s

&#115;

Lowercase s

116

164

74

1110100

t

&#116;

Lowercase t

117

165

75

1110101

u

&#117;

Lowercase u

118

166

76

1110110

v

&#118;

Lowercase v

119

167

77

1110111

w

&#119;

Lowercase w

120

170

78

1111000

x

&#120;

Lowercase x

121

171

79

1111001

y

&#121;

Lowercase y

122

172

7A

1111010

z

&#122;

Lowercase z

123

173

7B

1111011

{

&#123;

&lcub;

Opening brace

124

174

7C

1111100


&#124;

&verbar;

Vertical bar

125

175

7D

1111101

}

&#125;

&rcub;

Closing brace

126

176

7E

1111110

~

&#126;

&tilde;

Equivalency sign - tilde

127

177

7F

1111111

DEL

&#127;

Delete

4.1.3. Extended Characters

Table 4.3. ASCII TABLE Extended Characters

DEC

OCT

HEX

BIN

Symbol

HTML Number

HTML Name

Description

128

200

80

10000000

&#8364;

&euro;

Euro sign

129

201

81

10000001

Unused

130

202

82

10000010

&#130;

&sbquo;

Single low-9 quotation mark

131

203

83

10000011

ƒ

&#131;

&fnof;

Latin small letter f with hook

132

204

84

10000100

&#132;

&bdquo;

Double low-9 quotation mark

133

205

85

10000101

&#133;

&hellip;

Horizontal ellipsis

134

206

86

10000110

&#134;

&dagger;

Dagger

135

207

87

10000111

&#135;

&Dagger;

Double dagger

136

210

88

10001000

ˆ

&#136;

&circ;

Modifier letter circumflex accent

137

211

89

10001001

&#137;

&permil;

Per mille sign

138

212

8A

10001010

Š

&#138;

&Scaron;

Latin capital letter S with caron

139

213

8B

10001011

&#139;

&lsaquo;

Single left-pointing angle quotation

140

214

8C

10001100

Œ

&#140;

&OElig;

Latin capital ligature OE

141

215

8D

10001101

Unused

142

216

8E

10001110

Ž

&#142;

&Zcaron;

Latin capital letter Z with caron

143

217

8F

10001111

Unused

144

220

90

10010000

Unused

145

221

91

10010001

&#145;

&lsquo;

Left single quotation mark

146

222

92

10010010

&#146;

&rsquo;

Right single quotation mark

147

223

93

10010011

&#147;

&ldquo;

Left double quotation mark

148

224

94

10010100

&#148;

&rdquo;

Right double quotation mark

149

225

95

10010101

&#149;

&bull;

Bullet

150

226

96

10010110

&#150;

&ndash;

En dash

151

227

97

10010111

&#151;

&mdash;

Em dash

152

230

98

10011000

˜

&#152;

&tilde;

Small tilde

153

231

99

10011001

&#153;

&trade;

Trade mark sign

154

232

9A

10011010

š

&#154;

&scaron;

Latin small letter S with caron

155

233

9B

10011011

&#155;

&rsaquo;

Single right-pointing angle quotation mark

156

234

9C

10011100

œ

&#156;

&oelig;

Latin small ligature oe

157

235

9D

10011101

Unused

158

236

9E

10011110

ž

&#158;

&zcaron;

Latin small letter z with caron

159

237

9F

10011111

Ÿ

&#159;

&Yuml;

Latin capital letter Y with diaeresis

160

240

A0

10100000

NBSP

&#160;

&nbsp;

Non-breaking space

161

241

A1

10100001

¡

&#161;

&iexcl;

Inverted exclamation mark

162

242

A2

10100010

¢

&#162;

&cent;

Cent sign

163

243

A3

10100011

£

&#163;

&pound;

Pound sign

164

244

A4

10100100

¤

&#164;

&curren;

Currency sign

165

245

A5

10100101

¥

&#165;

&yen;

Yen sign

166

246

A6

10100110

¦

&#166;

&brvbar;

Pipe, broken vertical bar

167

247

A7

10100111

§

&#167;

&sect;

Section sign

168

250

A8

10101000

¨

&#168;

&uml;

Spacing diaeresis - umlaut

169

251

A9

10101001

©

&#169;

&copy;

Copyright sign

170

252

AA

10101010

ª

&#170;

&ordf;

Feminine ordinal indicator

171

253

AB

10101011

«

&#171;

&laquo;

Left double angle quotes

172

254

AC

10101100

¬

&#172;

&not;

Negation

173

255

AD

10101101

­SHY

&#173;

&shy;

Soft hyphen

174

256

AE

10101110

®

&#174;

&reg;

Registered trade mark sign

175

257

AF

10101111

¯

&#175;

&macr;

Spacing macron - overline

176

260

B0

10110000

°

&#176;

&deg;

Degree sign

177

261

B1

10110001

±

&#177;

&plusmn;

Plus-or-minus sign

178

262

B2

10110010

²

&#178;

&sup2;

Superscript two - squared

179

263

B3

10110011

³

&#179;

&sup3;

Superscript three - cubed

180

264

B4

10110100

´

&#180;

&acute;

Acute accent - spacing acute

181

265

B5

10110101

µ

&#181;

&micro;

Micro sign

182

266

B6

10110110

&#182;

&para;

Pilcrow sign - paragraph sign

183

267

B7

10110111

·

&#183;

&middot;

Middle dot - Georgian comma

184

270

B8

10111000

¸

&#184;

&cedil;

Spacing cedilla

185

271

B9

10111001

¹

&#185;

&sup1;

Superscript one

186

272

BA

10111010

º

&#186;

&ordm;

Masculine ordinal indicator

187

273

BB

10111011

»

&#187;

&raquo;

Right double angle quotes

188

274

BC

10111100

¼

&#188;

&frac14;

Fraction one quarter

189

275

BD

10111101

½

&#189;

&frac12;

Fraction one half

190

276

BE

10111110

¾

&#190;

&frac34;

Fraction three quarters

191

277

BF

10111111

¿

&#191;

&iquest;

Inverted question mark

192

300

C0

11000000

À

&#192;

&Agrave;

Latin capital letter A with grave

193

301

C1

11000001

Á

&#193;

&Aacute;

Latin capital letter A with acute

194

302

C2

11000010

Â

&#194;

&Acirc;

Latin capital letter A with circumflex

195

303

C3

11000011

Ã

&#195;

&Atilde;

Latin capital letter A with tilde

196

304

C4

11000100

Ä

&#196;

&Auml;

Latin capital letter A with diaeresis

197

305

C5

11000101

Å

&#197;

&Aring;

Latin capital letter A with ring above

198

306

C6

11000110

Æ

&#198;

&AElig;

Latin capital letter AE

199

307

C7

11000111

Ç

&#199;

&Ccedil;

Latin capital letter C with cedilla

200

310

C8

11001000

È

&#200;

&Egrave;

Latin capital letter E with grave

201

311

C9

11001001

É

&#201;

&Eacute;

Latin capital letter E with acute

202

312

CA

11001010

Ê

&#202;

&Ecirc;

Latin capital letter E with circumflex

203

313

CB

11001011

Ë

&#203;

&Euml;

Latin capital letter E with diaeresis

204

314

CC

11001100

Ì

&#204;

&Igrave;

Latin capital letter I with grave

205

315

CD

11001101

Í

&#205;

&Iacute;

Latin capital letter I with acute

206

316

CE

11001110

Î

&#206;

&Icirc;

Latin capital letter I with circumflex

207

317

CF

11001111

Ï

&#207;

&Iuml;

Latin capital letter I with diaeresis

208

320

D0

11010000

Ð

&#208;

&ETH;

Latin capital letter ETH

209

321

D1

11010001

Ñ

&#209;

&Ntilde;

Latin capital letter N with tilde

210

322

D2

11010010

Ò

&#210;

&Ograve;

Latin capital letter O with grave

211

323

D3

11010011

Ó

&#211;

&Oacute;

Latin capital letter O with acute

212

324

D4

11010100

Ô

&#212;

&Ocirc;

Latin capital letter O with circumflex

213

325

D5

11010101

Õ

&#213;

&Otilde;

Latin capital letter O with tilde

214

326

D6

11010110

Ö

&#214;

&Ouml;

Latin capital letter O with diaeresis

215

327

D7

11010111

×

&#215;

&times;

Multiplication sign

216

330

D8

11011000

Ø

&#216;

&Oslash;

Latin capital letter O with slash

217

331

D9

11011001

Ù

&#217;

&Ugrave;

Latin capital letter U with grave

218

332

DA

11011010

Ú

&#218;

&Uacute;

Latin capital letter U with acute

219

333

DB

11011011

Û

&#219;

&Ucirc;

Latin capital letter U with circumflex

220

334

DC

11011100

Ü

&#220;

&Uuml;

Latin capital letter U with diaeresis

221

335

DD

11011101

Ý

&#221;

&Yacute;

Latin capital letter Y with acute

222

336

DE

11011110

Þ

&#222;

&THORN;

Latin capital letter THORN

223

337

DF

11011111

ß

&#223;

&szlig;

Latin small letter sharp s - ess-zed

224

340

E0

11100000

à

&#224;

&agrave;

Latin small letter a with grave

225

341

E1

11100001

á

&#225;

&aacute;

Latin small letter a with acute

226

342

E2

11100010

â

&#226;

&acirc;

Latin small letter a with circumflex

227

343

E3

11100011

ã

&#227;

&atilde;

Latin small letter a with tilde

228

344

E4

11100100

ä

&#228;

&auml;

Latin small letter a with diaeresis

229

345

E5

11100101

å

&#229;

&aring;

Latin small letter a with ring above

230

346

E6

11100110

æ

&#230;

&aelig;

Latin small letter ae

231

347

E7

11100111

ç

&#231;

&ccedil;

Latin small letter c with cedilla

232

350

E8

11101000

è

&#232;

&egrave;

Latin small letter e with grave

233

351

E9

11101001

é

&#233;

&eacute;

Latin small letter e with acute

234

352

EA

11101010

ê

&#234;

&ecirc;

Latin small letter e with circumflex

235

353

EB

11101011

ë

&#235;

&euml;

Latin small letter e with diaeresis

236

354

EC

11101100

ì

&#236;

&igrave;

Latin small letter i with grave

237

355

ED

11101101

í

&#237;

&iacute;

Latin small letter i with acute

238

356

EE

11101110

î

&#238;

&icirc;

Latin small letter i with circumflex

239

357

EF

11101111

ï

&#239;

&iuml;

Latin small letter i with diaeresis

240

360

F0

11110000

ð

&#240;

&eth;

Latin small letter eth

241

361

F1

11110001

ñ

&#241;

&ntilde;

Latin small letter n with tilde

242

362

F2

11110010

ò

&#242;

&ograve;

Latin small letter o with grave

243

363

F3

11110011

ó

&#243;

&oacute;

Latin small letter o with acute

244

364

F4

11110100

ô

&#244;

&ocirc;

Latin small letter o with circumflex

245

365

F5

11110101

õ

&#245;

&otilde;

Latin small letter o with tilde

246

366

F6

11110110

ö

&#246;

&ouml;

Latin small letter o with diaeresis

247

367

F7

11110111

÷

&#247;

&divide;

Division sign

248

370

F8

11111000

ø

&#248;

&oslash;

Latin small letter o with slash

249

371

F9

11111001

ù

&#249;

&ugrave;

Latin small letter u with grave

250

372

FA

11111010

ú

&#250;

&uacute;

Latin small letter u with acute

251

373

FB

11111011

û

&#251;

&ucirc;

Latin small letter u with circumflex

252

374

FC

11111100

ü

&#252;

&uuml;

Latin small letter u with diaeresis

253

375

FD

11111101

ý

&#253;

&yacute;

Latin small letter y with acute

254

376

FE

11111110

þ

&#254;

&thorn;

Latin small letter thorn

255

377

FF

11111111

ÿ

&#255;

&yuml;

Latin small letter y with diaeresis