NOTE: Includes Survey Module and SMI Surveying Overlay. If you would like more phoTos or have questions, please just let me know. The Hewlett Packard HP 48GX High Contrast Black Screen 128K Calculator is a vintage calculator from HP, known for its durability and accuracy. With a sleek black screen, this calculator is equipped with a survey module and overlay for added functionality. Made in Indonesia, this vintage calculator is a rare find for collectors or those looking for a reliable and unique tool for calculations.
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