HP Prime Graphing Wireless Calculator Instrukcja Użytkownika Pobierz pdf (Strona 88)

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If you switch from RPN to algebraic or textbook entry, your history is not lost. It is just not visible. If you switch

back to RPN, your RPN history is redisplayed. Likewise, if you switch to RPN, your non-RPN history is not lost.

When you are not in RPN mode, your history is ordered chronologically: oldest calculations at the top, most

recent at the bottom. In RPN mode, your history is ordered chronologically by default, but you can change the

order of the items in history. (This is explained in Manipulating the stack on page 42.)

Reusing results

There are two ways to reuse a result in history. Method 1 deselects the copied result after copying; Method 2

keeps the copied item selected.

Method 1

Select the result to be copied. You can do this by pressing or until the result is highlighted,

or by tapping on it.

Press . The result is copied to the entry line and is deselected.

Method 2

1. Select the result to be copied. You can do this by pressing the up arrow or the down arrow until the result

is highlighted, or by tapping on it.

Tap and select ECHO. The result is copied to the entry line and remains selected.

Note that while you can copy an item from the CAS history to use in a Home calculation (and copy an item

from the Home history to use in a CAS calculation), you cannot copy items from or to the RPN history. You can,

however, use CAS commands and functions when working in RPN mode.

40 Chapter 3 Reverse Polish Notation (RPN)

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