These Excel workbooks are based on and intended to support the COGO material. They may be used in their current form or modified as needed for educational purposes. They may not be used wholly or in part for commercial purposes. Each is provided as-is with no warranty against defects or errors and the author is not liable for any damages arising from their use.

Each workbook uses Visual Basic for Applications so marcos must be enabled in Excel when opening the sheet.

Click on a name to download the file. File links are also in the Support Files area.

  Workbook   Functions
     Intersections & Arcs      Computes the three COGO intersections and Arc fitting
  CoordTrans 1.1   Two-D Conformal Coordinate Transformation

 updated 2 Aug '20

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