From:http://www.microsoft.com/globaldev/reference/glossary.mspx Alt+Numpad: A method of entering characters by typing in the character's decimal code with the Numeric Pad keys (Num Lock turned on). In Windows: • Alt+<xxx>, where xxx is the decimal value of a code point, generates an OEM-encoded character. • Alt+<0xxx>, where xxx is the decimal value of a code point, generates a Windows-encoded character. • Alt+<+>+<xxxx>, where xxxx is the hexadecimal Unicode code point, generates a Unicode-encoded (UTF-16) character. |
Shortly I'll explain explain the first two methods further. The 3rd is more problematic to work with. First, you may have to edit your registry and add a the REG_SZ value 'HKEY_Current_User/Control Panel/Input Method/EnableHexNumpad', then set it to '1'. Also, depending on where you are trying to type the character the application may interpret your hexadecimal Fs as attempts to bring down the file menu. Since method three is so problematic I'll focus on the first two methods.
First, make sure you are using the number pad and not the top roll number keys, only the number pad works for this. Second, make sure NUM LOCK is on. It does not have to be on in all cases for these key combos to work, but it helps by keeping the number pad from being misinterpreted.
The chart below shows the relevant key codes to get various symbols. The table on the left shows the OEM Extended ASCII character set (AKA: IBM PC Extended Character Set; Extended ASCII; High ASCII; 437 U.S. English). True ASCII is only 7 bit, so the range is 0 to 127. IBM extended it to 8 bits and added more characters. To type these characters you merely have to hold down an ALT key, type the numeric value of the character, then release the ALT key.
The table on the right shows the ANSI character set (AKA: Window's ANSI/ISO Latin-1/ANSI Extended ASCII, though technically they are not exactly the same thing.). To use the ANSI character set you do the same thing as the OEM set, but you preface the number with an extra zero. Notice that the first 127 should be the same in both sets, though values 0-31 may not be viewable in all cases. I've been in 'character encoding hell' just trying to get this article on my site in a readable format.
I'm only covering the first 256 characters of both sets in my chart, in some cases you can go higher but it depends on the application you are typing in. For example, ALT+257 gives me ā in Wordpad, but in Notepad it loops back around the character set and gives me☺(257-256=1 which is ☺ in the OEM set) . If you want to know what key code will bring up a particular character in a certain Windows font run Windows Character Map (charmap.exe) and look in the bottom right corner to find out.
I hope this information is useful to some of you, I'll be referring back to it when I start to write my hardware key logger reviews. Check out the links at the bottom of this page for further information on the topic.
IBM (AKA: OEM) / PC Extended ASCII | Window's ANSI/ISO Latin-1/ANSI Extended ASCII |
ALT+0 | ALT+1 | ☺ | ALT+2 | ☻ | ALT+3 | ♥ | ALT+4 | ♦ | ALT+5 | ♣ | ALT+6 | ♠ | ALT+7 | ALT+8 | ALT+9 | ALT+10 | ALT+11 | ♂ | ALT+12 | ♀ | T+13 | ALT+14 | ♫ | ALT+15 | ☼ | ALT+16 | ► | ALT+17 | ◄ | ALT+18 | ↕ | ALT+19 | ‼ | ALT+20 | ¶ | ALT+21 | § | ALT+22 | ▬ | ALT+23 | ↨ | ALT+24 | ↑ | ALT+25 | ↓ | ALT+26 | → | ALT+27 | ← | ALT+28 | ∟ | ALT+29 | ↔ | ALT+30 | ▲ | ALT+31 | ▼ | ALT+32 | ALT+33 | ! | ALT+34 | ' | ALT+35 | # | ALT+36 | $ | ALT+37 | % | ALT+38 | & | ALT+39 | ' | ALT+40 | ( | ALT+41 | ) | ALT+42 | * | ALT+43 | + | ALT+44 | , | ALT+45 | - | ALT+46 | . | ALT+47 | / | ALT+48 | 0 | ALT+49 | 1 | ALT+50 | 2 | ALT+51 | 3 | ALT+52 | 4 | ALT+53 | 5 | ALT+54 | 6 | ALT+55 | 7 | ALT+56 | 8 | ALT+57 | 9 | ALT+58 | : | ALT+59 | ; | ALT+60 | < | ALT+61 | = | ALT+62 | > | ALT+63 | ? | ALT+64 | @ | ALT+65 | A | ALT+66 | B | ALT+67 | C | ALT+68 | D | ALT+69 | E | ALT+70 | F | ALT+71 | G | ALT+72 | H | ALT+73 | I | ALT+74 | J | ALT+75 | K | ALT+76 | L | ALT+77 | M | ALT+78 | N | ALT+79 | O | ALT+80 | P | ALT+81 | Q | ALT+82 | R | ALT+83 | S | ALT+84 | T | ALT+85 | U | ALT+86 | V | ALT+87 | W | ALT+88 | X | ALT+89 | Y | ALT+90 | Z | ALT+91 | [ | ALT+92 | | ALT+93 | ] | ALT+94 | ^ | ALT+95 | _ | ALT+96 | ` | ALT+97 | a | ALT+98 | b | ALT+99 | c | ALT+100 | d | ALT+101 | e | ALT+102 | f | ALT+103 | g | ALT+104 | h | ALT+105 | i | ALT+106 | j | ALT+107 | k | ALT+108 | l | ALT+109 | m | ALT+110 | n | ALT+111 | o | ALT+112 | p | ALT+113 | q | ALT+114 | r | ALT+115 | s | ALT+116 | t | ALT+117 | u | ALT+118 | v | ALT+119 | w | ALT+120 | x | ALT+121 | y | ALT+122 | z | ALT+123 | { | ALT+124 | | | ALT+125 | } | ALT+126 | ~ | ALT+127 | ⌂ |
| ALT+128 | Ç | ALT+129 | ü | ALT+130 | é | ALT+131 | â | ALT+132 | ä | ALT+133 | à | ALT+134 | å | ALT+135 | ç | ALT+136 | ê | ALT+137 | ë | ALT+138 | è | ALT+139 | ï | ALT+140 | î | ALT+141 | ì | ALT+142 | Ä | ALT+143 | Å | ALT+144 | É | ALT+145 | æ | ALT+146 | Æ | ALT+147 | ô | ALT+148 | ö | ALT+149 | ò | ALT+150 | û | ALT+151 | ù | ALT+152 | ÿ | ALT+153 | Ö | ALT+154 | Ü | ALT+155 | ¢ | ALT+156 | £ | ALT+157 | ¥ | ALT+158 | ₧ | ALT+159 | ƒ | ALT+160 | á | ALT+161 | í | ALT+162 | ó | ALT+163 | ú | ALT+164 | ñ | ALT+165 | Ñ | ALT+166 | ª | ALT+167 | º | ALT+168 | ¿ | ALT+169 | ⌐ | ALT+170 | ¬ | ALT+171 | ½ | ALT+172 | ¼ | ALT+173 | ¡ | ALT+174 | « | ALT+175 | » | ALT+176 | ░ | ALT+177 | ▒ | ALT+178 | ▓ | ALT+179 | │ | ALT+180 | ┤ | ALT+181 | ╡ | ALT+182 | ╢ | ALT+183 | ╖ | ALT+184 | ╕ | ALT+185 | ╣ | ALT+186 | ║ | ALT+187 | ╗ | ALT+188 | ╝ | ALT+189 | ╜ | ALT+190 | ╛ | ALT+191 | ┐ | ALT+192 | └ | ALT+193 | ┴ | ALT+194 | ┬ | ALT+195 | ├ | ALT+196 | ─ | ALT+197 | ┼ | ALT+198 | ╞ | ALT+199 | ╟ | ALT+200 | ╚ | ALT+201 | ╔ | ALT+202 | ╩ | ALT+203 | ╦ | ALT+204 | ╠ | ALT+205 | ═ | ALT+206 | ╬ | ALT+207 | ╧ | ALT+208 | ╨ | ALT+209 | ╤ | ALT+210 | ╥ | ALT+211 | ╙ | ALT+212 | ╘ | ALT+213 | ╒ | ALT+214 | ╓ | ALT+215 | ╫ | ALT+216 | ╪ | ALT+217 | ┘ | ALT+218 | ┌ | ALT+219 | █ | ALT+220 | ▄ | ALT+221 | ▌ | ALT+222 | ▐ | ALT+223 | ▀ | ALT+224 | α | ALT+225 | ß | ALT+226 | Γ | ALT+227 | π | ALT+228 | Σ | ALT+229 | σ | ALT+230 | µ | ALT+231 | τ | ALT+232 | Φ | ALT+233 | Θ | ALT+234 | Ω | ALT+235 | δ | ALT+236 | ∞ | ALT+237 | φ | ALT+238 | ε | ALT+239 | ∩ | ALT+240 | ≡ | ALT+241 | ± | ALT+242 | ≥ | ALT+243 | ≤ | ALT+244 | ⌠ | ALT+245 | ⌡ | ALT+246 | ÷ | ALT+247 | ≈ | ALT+248 | ° | ALT+249 | ∙ | ALT+250 | · | ALT+251 | √ | ALT+252 | ⁿ | ALT+253 | ² | ALT+254 | ■ | ALT+255 |
| ALT+00 | ALT+01 | 0001 | ALT+02 | 0002 | ALT+03 | 0003 | ALT+04 | 0004 | ALT+05 | 0005 | ALT+06 | 0006 | ALT+07 | ALT+08 | | ALT+09 | ALT+010 | ALT+011 | ALT+012 | ALT+013 | ALT+014 | 000e | ALT+015 | 000f | ALT+016 | 0010 | ALT+017 | 0011 | ALT+018 | 0012 | ALT+019 | 0013 | ALT+020 | 0014 | ALT+021 | 0015 | ALT+022 | 0016 | ALT+023 | 0017 | ALT+024 | 0018 | ALT+025 | 0019 | ALT+026 | 001a | ALT+027 | 001b | ALT+028 | 001c | ALT+029 | 001d | ALT+030 | 001e | ALT+031 | 001f | ALT+032 | ALT+033 | ! | ALT+034 | ' | ALT+035 | # | ALT+036 | $ | ALT+037 | % | ALT+038 | & | ALT+039 | ' | ALT+040 | ( | ALT+041 | ) | ALT+042 | * | ALT+043 | + | ALT+044 | , | ALT+045 | - | ALT+046 | . | ALT+047 | / | ALT+048 | 0 | ALT+049 | 1 | ALT+050 | 2 | ALT+051 | 3 | ALT+052 | 4 | ALT+053 | 5 | ALT+054 | 6 | ALT+055 | 7 | ALT+056 | 8 | ALT+057 | 9 | ALT+058 | : | ALT+059 | ; | ALT+060 | < | ALT+061 | = | ALT+062 | > | ALT+063 | ? | ALT+064 | @ | ALT+065 | A | ALT+066 | B | ALT+067 | C | ALT+068 | D | ALT+069 | E | ALT+070 | F | ALT+071 | G | ALT+072 | H | ALT+073 | I | ALT+074 | J | ALT+075 | K | ALT+076 | L | ALT+077 | M | ALT+078 | N | ALT+079 | O | ALT+080 | P | ALT+081 | Q | ALT+082 | R | ALT+083 | S | ALT+084 | T | ALT+085 | U | ALT+086 | V | ALT+087 | W | ALT+088 | X | ALT+089 | Y | ALT+090 | Z | ALT+091 | [ | ALT+092 | | ALT+093 | ] | ALT+094 | ^ | ALT+095 | _ | ALT+096 | ` | ALT+097 | a | ALT+098 | b | ALT+099 | c | ALT+0100 | d | ALT+0101 | e | ALT+0102 | f | ALT+0103 | g | ALT+0104 | h | ALT+0105 | i | ALT+0106 | j | ALT+0107 | k | ALT+0108 | l | ALT+0109 | m | ALT+0110 | n | ALT+0111 | o | ALT+0112 | p | ALT+0113 | q | ALT+0114 | r | ALT+0115 | s | ALT+0116 | t | ALT+0117 | u | ALT+0118 | v | ALT+0119 | w | ALT+0120 | x | ALT+0121 | y | ALT+0122 | z | ALT+0123 | { | ALT+0124 | | | ALT+0125 | } | ALT+0126 | ~ | ALT+0127 | |
| ALT+0128 | € | ALT+0129 | | ALT+0130 | ‚ | ALT+0131 | ƒ | ALT+0132 | „ | ALT+0133 | … | ALT+0134 | † | ALT+0135 | ‡ | ALT+0136 | ˆ | ALT+0137 | ‰ | ALT+0138 | Š | ALT+0139 | ‹ | ALT+0140 | Œ | ALT+0141 | | ALT+0142 | Ž | ALT+0143 | | ALT+0144 | | ALT+0145 | ‘ | ALT+0146 | ' | ALT+0147 | ' | ALT+0148 | ' | ALT+0149 | • | ALT+0150 | – | ALT+0151 | -- | ALT+0152 | ˜ | ALT+0153 | ™ | ALT+0154 | š | ALT+0155 | › | ALT+0156 | œ | ALT+0157 | | ALT+0158 | ž | ALT+0159 | Ÿ | ALT+0160 | ALT+0161 | ¡ | ALT+0162 | ¢ | ALT+0163 | £ | ALT+0164 | ¤ | ALT+0165 | ¥ | ALT+0166 | ¦ | ALT+0167 | § | ALT+0168 | ¨ | ALT+0169 | © | ALT+0170 | ª | ALT+0171 | « | ALT+0172 | ¬ | ALT+0173 | | ALT+0174 | ® | ALT+0175 | ¯ | ALT+0176 | ° | ALT+0177 | ± | ALT+0178 | ² | ALT+0179 | ³ | ALT+0180 | ´ | ALT+0181 | µ | ALT+0182 | ¶ | ALT+0183 | · | ALT+0184 | ¸ | ALT+0185 | ¹ | ALT+0186 | º | ALT+0187 | » | ALT+0188 | ¼ | ALT+0189 | ½ | ALT+0190 | ¾ | ALT+0191 | ¿ | ALT+0192 | À | ALT+0193 | Á | ALT+0194 |  | ALT+0195 | à | ALT+0196 | Ä | ALT+0197 | Å | ALT+0198 | Æ | ALT+0199 | Ç | ALT+0200 | È | ALT+0201 | É | ALT+0202 | Ê | ALT+0203 | Ë | ALT+0204 | Ì | ALT+0205 | Í | ALT+0206 | Î | ALT+0207 | Ï | ALT+0208 | Ð | ALT+0209 | Ñ | ALT+0210 | Ò | ALT+0211 | Ó | ALT+0212 | Ô | ALT+0213 | Õ | ALT+0214 | Ö | ALT+0215 | × | ALT+0216 | Ø | ALT+0217 | Ù | ALT+0218 | Ú | ALT+0219 | Û | ALT+0220 | Ü | ALT+0221 | Ý | ALT+0222 | Þ | ALT+0223 | ß | ALT+0224 | à | ALT+0225 | á | ALT+0226 | â | ALT+0227 | ã | ALT+0228 | ä | ALT+0229 | å | ALT+0230 | æ | ALT+0231 | ç | ALT+0232 | è | ALT+0233 | é | ALT+0234 | ê | ALT+0235 | ë | ALT+0236 | ì | ALT+0237 | í | ALT+0238 | î | ALT+0239 | ï | ALT+0240 | ð | ALT+0241 | ñ | ALT+0242 | ò | ALT+0243 | ó | ALT+0244 | ô | ALT+0245 | õ | ALT+0246 | ö | ALT+0247 | ÷ | ALT+0248 | ø | ALT+0249 | ù | ALT+0250 | ú | ALT+0251 | û | ALT+0252 | ü | ALT+0253 | ý | ALT+0254 | þ | ALT+0255 | ÿ |
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Links:
How to enter Unicode characters in Microsoft Windows
http://www.fileformat.info/tip/microsoft/enter_unicode.htm
ASCII and Unicode and other character encodings
http://qcpages.qc.cuny.edu/~nixon/links/asciiUnicode.html
Microsoft Character sets
http://www.microsoft.com/typography/unicode/cs.htm
Small Keyboard With Number Pad For Sale
Wikipedia Article on Windows Alt Keycodes
http://en.wikipedia.org/wiki/Windows_Alt_Keycodes