Copan 2009.11 was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. The most frequent installation filename for the software is: Copan.exe. The program relates to Education Tools. We recommend checking the downloaded files with any free antivirus. This free program is an intellectual property of Underhill Geomatics Ltd. The most popular version among the software users is 2009.11.
From the developer:
Copan for Windows is a very functional and easy-to-use geomatics engineering tool for computing and managing plane land survey coordinates.
It does numerous coordinate geometry (COGO) calculations, processes and adjusts field survey data, computes and adjusts map traverse data, performs map checks, calculates areas and perimeters, performs coordinate transformations, and imports/exports Ascii files.
You may want to check out more software, such as Panel, gitoolbox or roboBASIC, which might be related to Copan.