(For the HP50G)
Written with the Engineer, Surveyor or Architect in mind, the Cogo + Pac has all of the programming for Coordinate Geometry as it is taught in the required basic college course on Coordinate Geometry, plus Pre-determined Areas and Rotation/Translation, as well as a number of specialty programs for circular curves, triangle solutions, vertical solutions, spiral curve solutions, and programs for End-Area and Pit Volumes.