TDS COGO Survey Card and Overlay for HP 48GX Calculators

Enhance the capabilities of your HP 48GX calculator with the TDS COGO Survey Card — a powerful surveying and coordinate geometry solution designed for land surveyors, engineers, and field professionals. This plug-in card transforms the HP 48GX into a portable surveying workstation capable of handling coordinate calculations, traverses, staking, inverse computations, and other essential field operations.

The TDS COGO card is widely recognized for its reliability and efficiency in professional surveying environments. Designed specifically for compatibility with the HP 48GX graphing calculator, it provides a convenient and compact way to perform advanced field calculations without the need for bulky equipment. This package also includes the original keyboard overlay for quick command reference and easier operation in the field.

Key Features:
Designed for the HP 48GX graphing calculator
Provides advanced COGO (Coordinate Geometry) functions
Ideal for land surveying, construction layout, and engineering applications
Supports traverses, inverse calculations, staking, area calculations, and more
Includes keyboard overlay for simplified operation and quick command access
Compact plug-in card design for easy portability
Reliable field-tested surveying software solution

Refurbishment & Warranty:
Each TDS COGO Survey Card is fully tested for proper operation and compatibility with the HP 48GX calculator.
Backed by Porter Electronics’ 90-Day Exchange Warranty.

What’s Included:
TDS COGO Survey Card for HP 48GX Calculator
Keypad Overlay

Ideal For:
Professional land surveyors
Civil engineers
Construction field technicians
Educational and training environments
Users seeking legacy HP 48GX surveying software solutions