Is it necessary to have familiarity with Reverse Polish Notation (RPN) to use a HP 12c financial Calculator?
The regular HP 12c only does RPN. http://www.educalc.net/2298080.page One would have to learn RPN to use this with any speed and accuracy. The HP 12c PLATINUM can be set to do either RPN or Algebraic: http://www.educalc.net/2297089.page From page 20 of the HP 12c Platinum manual: The RPN and ALG Keys To select RPN mode: the calculator is in RPN mode, the Press f] to set the calculator to RPN mode. WhenRPN status indicator is lit. To select ALG mode: the calculator is in ALG mode, the http://www.hp.com/ctg/Manual/bpia5184.pdf Press f[ to set the calculator to ALG mode. WhenALG status indicator is lit. The calculator can be set to perform arithmetic operations i