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HP 12c Financial Calculator (12C#ABA)
HP 12c Financial Calculator (12C#ABA) If you bought yourself a financial calculator during the 1980s, chances are it was this bad boy. Nothing has changed since its introduction–it still uses Reverse Polish Notation (RPN), is easy and versatile in programming, and has a thin, sturdy casing. Certainly, there’s been newer, fancier [...]