Easycogo Easycogo
Survey and Hydro Programs and Equations
Perfect for everyday use, and for the exam.

Demo Videos for HP 35s: Bearing-Distance Intersection

Click on any link below to watch a quick video of the Easycogo Survey Program in action. You can open or print the sample maps and problems to view clearer sample maps while following along with the videos.

Easycogo Survey Program for the HP 33s:

ASA Triangle - View or Download (wmv 5.5MB)
Horizontal Curve - View or Download (wmv 4.3MB)
Vertical Curve - View or Download (wmv 5.2MB)

Easycogo Survey Program for the HP 35s:

Bearing-Distance Intersection - View or Download (wmv 10.0MB)
Horizontal Curve - View or Download (wmv 5.3MB)
Inverse - View or Download (wmv 11.1MB)

SAA Triangle - View or Download (wmv 7.5MB)
Vertical Curve - View or Download (wmv 10.6MB)

Easycogo Survey Equations for the HP 35s:

Vertical Curve - Download (wmv 9.3MB)