$partialdiff sub Y$ $integral dY$ $partialdiff sub X$ $partialdiff sub Y$ [ WORLDBATH bath ]
| Longitude | grid: /X (degree_east) periodic (0) to (0.08331299W) by 0.08333334 N= 4320 pts :grid |
|---|---|
| Latitude | grid: /Y (degree_north) ordered (89.95834N) to (89.95834S) by 0.08333334 N= 2160 pts :grid |