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## A. Coordinates Galore

Most software compute and carry coordinates through each step of the traverse computations. Until final traverse adjustment, the coordinates go thru a series of values. For example, in a traditional non-least squares approach coordinates would be computed:

- From raw measurements and directions using unadjusted angles, then,
- After angles are adjusted, and,
- After the traverse is adjusted - these are the final coordinate values.

While coordinates are not needed for manual computations, they can be included. If so they are usually computed after angles are balanced: we will refer to these as *preliminary coordinates*.

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