Mac OS Character Set is based on one byte character encoding system, Mac-Roman. The character set shares same characters up to first 128 character with ASCII character encoding.
Excel's the CHAR function uses this characters set for Mac versions.
| Code | Description | Code | Description | Code | Description |
| 0 | null character | 86 | V | 172 | ¨ |
| 1 | start of heading | 87 | W | 173 | ≠ |
| 2 | start of text | 88 | X | 174 | Æ |
| 3 | end of text | 89 | Y | 175 | Ø |
| 4 | end of transmission | 90 | Z | 176 | ∞ |
| 5 | enquiry | 91 | [ | 177 | ± |
| 6 | acknowledge | 92 | \ | 178 | ≤ |
| 7 | bell | 93 | ] | 179 | ≥ |
| 8 | backspace | 94 | ^ | 180 | ¥ |
| 9 | horizontal tabulation | 95 | _ | 181 | µ |
| 10 | line feed | 96 | ` | 182 | ∂ |
| 11 | vertical tabulation | 97 | a | 183 | ∑ |
| 12 | form feed | 98 | b | 184 | ∏ |
| 13 | carriage return | 99 | c | 185 | π |
| 14 | Shift out | 100 | d | 186 | ∫ |
| 15 | Shift in | 101 | e | 187 | ª |
| 16 | data link escape | 102 | f | 188 | º |
| 17 | device control one | 103 | g | 189 | Ω |
| 18 | device control two | 104 | h | 190 | æ |
| 19 | device control three | 105 | i | 191 | ø |
| 20 | device control four | 106 | j | 192 | ¿ |
| 21 | negative acknowledge | 107 | k | 193 | ¡ |
| 22 | synchronous idle | 108 | l | 194 | ¬ |
| 23 | end of transmission block | 109 | m | 195 | √ |
| 24 | cancel | 110 | n | 196 | ƒ |
| 25 | end of medium | 111 | o | 197 | ≈ |
| 26 | substitute | 112 | p | 198 | ∆ |
| 27 | escape | 113 | q | 199 | « |
| 28 | file separator | 114 | r | 200 | » |
| 29 | group separator | 115 | s | 201 | … |
| 30 | record separator | 116 | t | 202 | non-breaking space |
| 31 | unit separator | 117 | u | 203 | À |
| 32 | space | 118 | v | 204 | Ã |
| 33 | ! | 119 | w | 205 | Õ |
| 34 | " | 120 | x | 206 | Π|
| 35 | # | 121 | y | 207 | œ |
| 36 | $ | 122 | z | 208 | – |
| 37 | % | 123 | { | 209 | — |
| 38 | & | 124 | | | 210 | “ |
| 39 | ' | 125 | } | 211 | ” |
| 40 | ( | 126 | ~ | 212 | ‘ |
| 41 | ) | 127 | DEL | 213 | ’ |
| 42 | * | 128 | Ä | 214 | ÷ |
| 43 | + | 129 | Å | 215 | ◊ |
| 44 | , | 130 | Ç | 216 | ÿ |
| 45 | - | 131 | É | 217 | Ÿ |
| 46 | . | 132 | Ñ | 218 | ⁄ |
| 47 | / | 133 | Ö | 219 | € |
| 48 | 0 | 134 | Ü | 220 | ‹ |
| 49 | 1 | 135 | á | 221 | › |
| 50 | 2 | 136 | à | 222 | fi |
| 51 | 3 | 137 | â | 223 | fl |
| 52 | 4 | 138 | ä | 224 | ‡ |
| 53 | 5 | 139 | ã | 225 | · |
| 54 | 6 | 140 | å | 226 | ‚ |
| 55 | 7 | 141 | ç | 227 | „ |
| 56 | 8 | 142 | é | 228 | ‰ |
| 57 | 9 | 143 | è | 229 | Â |
| 58 | : | 144 | ê | 230 | Ê |
| 59 | ; | 145 | ë | 231 | Á |
| 60 | < | 146 | í | 232 | Ë |
| 61 | = | 147 | ì | 233 | È |
| 62 | > | 148 | î | 234 | Í |
| 63 | ? | 149 | ï | 235 | Î |
| 64 | @ | 150 | ñ | 236 | Ï |
| 65 | A | 151 | ó | 237 | Ì |
| 66 | B | 152 | ò | 238 | Ó |
| 67 | C | 153 | ô | 239 | Ô |
| 68 | D | 154 | ö | 240 | Apple Computer logo |
| 69 | E | 155 | õ | 241 | Ò |
| 70 | F | 156 | ú | 242 | Ú |
| 71 | G | 157 | ù | 243 | Û |
| 72 | H | 158 | û | 244 | Ù |
| 73 | I | 159 | ü | 245 | ı |
| 74 | J | 160 | † | 246 | ˆ |
| 75 | K | 161 | ° | 247 | ˜ |
| 76 | L | 162 | ¢ | 248 | ¯ |
| 77 | M | 163 | £ | 249 | ˘ |
| 78 | N | 164 | § | 250 | ˙ |
| 79 | O | 165 | • | 251 | ˚ |
| 80 | P | 166 | ¶ | 252 | ¸ |
| 81 | Q | 167 | ß | 253 | ˝ |
| 82 | R | 168 | ® | 254 | ˛ |
| 83 | S | 169 | © | 255 | ˇ |
| 84 | T | 170 | ™ | 255 | ˇ |
| 85 | U | 171 | ´ |
