For these to work you just hold the alt key and type the number on the keypad and then let go of Alt key.

 ¤=alt 15                                                    ó=alt 162                                                     œ=alt 0156
 ¶=alt 20                                                    ú=alt 163                                                      Ÿ=alt 0159
 §=alt 21                                                   ñ=alt 164                                                       ©=alt 0169
 Ç=alt 128                                                Ñ=alt 165                                                      ®=alt 0174
  ü=alt 129                                                 ª=alt 166                                                         ³=alt 0179
 é=alt 130                                                º=alt 167                                                          ¹=alt 0185
 â=alt 131                                                ¿=alr 168                                                         º=alt 0186
 ä=alt 132                                                ¬=alt 170                                                       ¾=alt 0190
 à=alt 133                                                  ½=alt 171                                                     À=alt 0192
 å=alt 134                                                 ¼=alt 172                                                      Á=alt 0193
 ç=alt 135                                                  ¡=alt 173                                                       Â=alt 0194
 ê=alt 136                                                 «=alt 174                                                       Ã=alt 0195
 ë=alt 137                                                   »=alt 175                                                      È=alt 0200
 è=alt 138                                                   ¦=alt 179                                                      Ê=alt 0202
  ï=alt 139                                                    ß=alt 225                                                     Ë=alt 0203
 î=alt 140                                                    µ=alt 230                                                       Ì=alt 0204
 ì=alt 141                                                   ±=alt 241                                                       Í=alt 0205
 Ä=alt 142                                                   ÷=alt 246                                                     Î=alt 0206
 Å=alt 143                                                  °=alt 248                                                       Ï=alt 0207
 É=alt 144                                           •=alt 249 (large bullet)                                         Ð=alt 0208
 æ=alt 145                                            ·=alt 250 (small bullet)                                        Ò=alt 0210
 Æ=alt 146                                                    ²=alt 253                                                   Ó=alt 0211
 ô=alt 147                                                  „=alt 0132                                                    Ô=alt 0212
 ö=alt 148                                                  …=alt 0133                                                 Õ=alt 0213
 ò=alt 149                                                   †=alt 0134                                                   ×=alt 0215
 û=alt 150                                                  ‡=alt 0135                                                    Ø=alt 0216
 ù=alt 151                                                   ˆ=alt 0136                                                    Ù=alt 0217
 ÿ=alt 152                                                  ‰=alt 0137                                                  Ú=alt 0218
 Ö=alt 153                                                  Š=alt 0138                                                  Û=alt 0219
 Ü=alt 154                                                  Œ=alt 0140                                                 Ý=alt 0221
 ¢=alt 155                                                  – =alt 0150                                                   Þ=alt 0222
 £=alt 156                                                  — =alt 0151                                                  ä=alt 0228
 ¥=alt 157                                                   ˜=alt 0152                                                    õ=alt 0245
 ƒ=alt 159                                                  ™=alt 0153                                                  ø=alt 0248
 á=alt 160                                                   š=alt 0154                                                    ý=alt 0253 í=alt161                                                                                                                         þ=alt 0254