4 N n Y Y Y N N 0 0 0 Example plot showing the use of the ASF facility for log plots n 0 X axis Z axis Y 0 n N Y -2 1 0 0 Y -2 1 N 0 0 N n N N 10 -1000 n n N n 240 ð 242 ò 244 ô 246 ö 248 ø 241 ñ 243 ó 245 õ 247 ÷ 249 ù 250 ú 251 û 252 ü 253 ý 254 þ 255 ÿ n