Great working SMI 48 CES Super Civil Engineering Card for HP 48GX Calculator. Just install card in port 1 of the calculator, press right arrow green shift key then Library key to install and software is ready to use. The calculator is not included - only to show software installed. Guaranteed working condition. Free shipping in USA.  
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48GX#ABA-PP-NR. About the item: This item is associated with the following MPN(s): 48GX#ABA. For your protection and ours, security stickers are added to all products and serial numbers are recorded.
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Letter format, 660 pages.
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Very good condition, very clean. Has some minor marks but otherwise not used much.
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From large collection of Richard Nelson/Educalc.
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HP 48G Series Quick Start Guide. This is a printed copy.
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Letter format, 334 pages.
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White overlays for HP 48 (48S, 48SX, 48G, 48GX) calculators. You can use a pencil or pen to write on them. This is of use if you write your own programs for the HP 48 and assign them to various keys.
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