That's a Novus, too... Message #2 Posted by Frank Boehm (Germany) on 4 Sept 2009, 6:22 a.m., in response to message #1 by Palmer O. Hanson, Jr.
it uses a National Semiconductor (NS; Novus was the consumer division of NS) MM5736N - the same chip has been used inside the Minuteman 6 (simple RPN, but no Enter key) *and* also inside the Novus 650. So the lack of an Enter key probably was a marketing decision (and maybe even dictated by manufacturing costs, considering the 650 was the cheapest calculator one could buy...)
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