Geodesic Distance Calculator

Description:Vincenty's direct and indirect method to calculate Earth distances with extreme accuracy to 1 mm. Also gives forward and backward bearings (azimuths), automatic calculation of the corresponding (quite accurate) distance with 2nd order Andoyer's formula, automatic calculation of the Euclidean (straight line) distances at sea level and at specified heights, conversion of Geodetic latitude to Geocentric latitude and reverse, conversion of Geodetic coordinates to Cartesian coordinates and reverse, and choice of the ellipsoid, modifying the radius a and b — flattening f=-b)/a.
Filename:geodesic.zip
ID:9193
Current version:10
Author:Gil Campart
Downloaded file size:27,521 bytes
Size on calculator:19 KB
Platforms:49/50  
User rating:10/10 with 1 vote (you must be logged in to vote)
Primary category:Science/Misc
Languages:ENG  
File date:2026-07-22 09:55:08
Creation date:2026-07-22
Source code:Included
Download count:662
Version history:2026-08-10: Updated to version 10
2025-02-17: Updated to version 8
2024-12-29: Updated to version 7
2024-06-02: Updated to version 6.09
2023-05-14: Updated to version 6d
2021-05-23: Updated to version 6.6
2021-04-10: Updated to version 6.5
2020-09-30: Updated to version 2.3
2020-07-05: Added to site
Archive contents:
  Length      Date    Time    Name
---------  ---------- -----   ----
    19114  2026-07-22 09:55   distance.10.hp
    73993  2026-02-02 09:40   geodesic.html
---------                     -------
    93107                     2 files
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Part of the HP Calculator Archive,
Copyright 1997-2026 Eric Rechlin.