This one allows you to switch between RPN or algebraic entry modes to appeal to more users. Also, I love any scientific calculators that have various built-in conversions as this one does. The programmability features are also top-notch.
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HP 12c Financial Calculator. Note that the 12c uses Reverse Polish Notation. Pictures are of the exact item for sale. Batteries are currently working, but I have no idea how old they are.
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Edition 2, # HP 00032-90068.
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No markings on text. Opened in 1989, Online Since 1995.
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RPN: Reverse Polish Notation. ALG: Algebraic. 1-line x 10-digit LCD display. Reciprocal, factorial. Fractional, integer. Natural logarithm and exponential. Power, square root, square. Mathematical Functions.
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The HP 15C was a very popular RPN calculator from the 1980s (1982-1989) that, despite the last units rolling off the line over 30 years ago, is still highly sought after by collectors and users. After a long wait, the HP 15C is now being temporarily re-released as a Collectors Edition.
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48GX#ABA-UVG. About the item: This item is associated with the following MPN(s): 48GX#ABA. 2-D and 3-D graphing capabilities. 2-way infrared communication, RS-232C serial port; supports optional printer.
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