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RPN or Algebraic
CustomCalc offers three input modes: Algebraic, RPN, or Algebraic Sequential.
RPN: Using the logic RPN system, CustomCalc is a perfect replacement for HP calculators, with the most sophisticated fuctions easier to use.
Algebraic: Algebraic input mode uses the parenthesis and the equal sign. This input mode differs from the Sequential Algebraic (see next paragraph) in that it considers the operator precedence, thus 2
3 4
will give a result of 14.
Algebraic Sequential: or Sequential Algebraic input mode, is like Alg input mode, but it does not consider the operator precedence, thus 2
3 4
will give a result of 20.
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