Simple Geospatial SolutionsLand Surveying and Civil Engineering Software for HP Graphing Calculators


Customer reviews of COGO+ software.

David White, Professional Surveyor in MI, USA

"This software is excellent. I have been a user of various HP-based cogo programs (TDS, SMI, etc.) for over 25 years, and this is better than all of them. I have had COGO+ since version 2.12.

Where else can you communicate directly with the developer, who obviously has a passion for the product, as evidenced by the regular upgrades.

The software is robust and full-featured (I especially appreciate the "complex" bearing/distance entry, which allows for multiple arithmetic operations to be performed simultaneously with coordinate input). The leveling program is also excellent.

The combination of features, support/upgrades, and price is untouched anywhere else." -- (Jan 2013)

Mark Miller, Surveyor in Alberta, Canada

"COGO+ was an invaluable tool during my time as a geomatics engineering student. Simply put, it made learning intuitive and fun. The continuous improvement and development of the program offers future potential. I highly recommend it to anyone pursuing a surveying career whether student or professional." -- (Jan 2013)

Javier Larez, Venezuela

"For many years I have been using COGO+ and I can asseverate that, it really has done my work easier, so it saves me a lot of time when I do my calculations.

The interface to enter the data and visualize the results is excellent, and among many other fundamental options that it has, it allows import and export data to a PC. Also to create files to be viewed in both AutoCAD and Google Earth.

No doubt this software is highly recommended." -- (Feb 2013)

Gerald S. Smith, P.L.S., Florida, USA

"I’ve been using various surveying programs in Hewlett Packard calculators for nearly 30 years. In that time I have never been quite satisfied, there always seemed to be something missing…something that didn't seem quite right...

Then along came the HP50G and COGO+.

COGO+ is an excellent program that offers what you need via a very intuitive, menu-driven interface. It’s all there...traverse, inverse, intersections...the area function can even plot the figure and then export to a dxf file so you can import it into your CADD software!

The data manipulation is a breeze, too. You can import/export coordinates and point descriptions and go back and forth with your desktop using an SD card. Say you have 200 points in your CADD/geometry software you want to stake in the field... just dump the coordinates into a text file, put the data in the proper format, stick the file on an SD card and suck it right into COGO+. Simple is good is simple.

Jacob’s software is, in my opinion, the best we have. I wish he was older and had written it for the HP48 years ago!!" -- (Aug 2013)

Younis Qrinawi, Section Engineer in Oman

"COGO+ is amazing as I have been used various calculators software (Casio, Psion organizer, etc.) for more than 24 years extensive experience on field and land surveyors management, and the COGO+ since its early version approve to be the best one for both site and office work as the interface user friendly and running step by step to guide you for the perfect solutions moreover the developer (Mr. Jacob Wall) very active and to help any user immediately without delay as far I deal with him since 2011 and he can accept any valuable idea for developing the software, congratulation Jacob for the continuous successes." -- (May 2014)

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