Download TopCal21

TopCal21 solves all the calculations needed by the surveyor: COGO calculations, traverses, intersections and resections, least square compensations of networks, etc.

It offers several tools for the calculations: coordinates transformation between different reference system, circle and line intersections, computations based on UTM projection or geographic coordinates, etc. It also has tools to draw geographic entities from measured points. It can generate automatically the sketch from registered codes.

Download TopCal21 2007

Download TopCal21 2007 Demo (free evaluation version)

Download TopCal21 manual for printing: PDF file to print TopCal 21 help. If you have not got Adobe Acrobat Reader to read this file, you can download a free version from http://www.adobe.es/products/acrobat/readstep2.html.