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HP20b - Switch between RPN and Algebraic

Mode Key

The Mode menu allows you to customize the calculator. To access the Mode menu, press [Shift][Mode]. Press [Up Arrow] or [Down Arrow] repeatedly to scroll through the menu starting with FIX=2 (the number of digits displayed to the right of the decimal point). Once an item is displayed, press [INPUT] key to cycle through the other options for that setting. To exit the Mode menu, press [ON/CE] key once.

Chain, Algebraic, or RPN operation mode. The HP20b default mode is set to Chain operation mode. Pressing [INPUT] key to cycles through these options.

Updated On: 13.09.15

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