The computation by which these results were obtained is given below:
Computation of Geographic Position of Mount St. Elias.
| Azimuth: Port Mulgrave to Mount St. Elias = | 142° 17' 17" |
| Diff. azimuth | –59 55 |
| + 180° | +180° |
| Azimuth: Mount St. Elias to Port Mulgrave = | 321° 17' 22" |
| Latitude. | | Longitude. | |
| 59° 33' 42" | = Port Mulgrave | 139° 46' 16" | |
| +44 09 | = Diff. lat. | +1 09 14 | = Diff. long. |
| 60° 17' 51" | = Mount St. Elias | 140° 55' 30" | |
| | | 1st Term. | | 2d Term. |
| | | Log. meters. | | |
| Log. K = (Distance, Mulgrave — St.Elias) | = 5.0183184 | K2 | = 0.0366 |
| Log. cosine azimuth, Z, 142° 17' 17" | = 9.8982292 | Sine2 Z | = 9.5731 |
| Log. B | = 8.5093902 | Log. C | = 1.6335 |
| Log. 2666".5 | = 3.4259378 | Log. 17".6 | = 1.2432 |
| 1st term = | + 2666".5 | | | |
| 2d term = | – 17 .6 | | | |
| Difference lat. = | 2648".9 | | | |
| Log. K | = 5.0183184 |
| Log. sine azimuth | = 9.7865328 |
| Log. A4 | = 8.5086148 |
| Arithmetical complement 60° 17' 51" | = 0.3049593 |
| Log. diff. in longitude 4153".6 | = 3.6184253 |