My local engineering society rag came wrapped in an advertisement for life insurance that had a couple of pictures on it -- one of which I cannot quite figure out. The first is obviously an HP41C of some type:
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The second is something I can't quite fathom:
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It has a blue ENTER key. There is a yellow ISG label above the key below the ENTER. The key below the ENTER appears to be CHS.
Anyone know what this is? Is it a Frankenstein? Photoshop (if so, why??)?