HP 39gII Quick Start Manual page 10

Entering and Editing Expressions
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To calculate , enter the expression then press Enter. The HP 39gII displays the results with
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12 digits of accuracy.
Now press the Up cursor key twice to highlight the expression you entered. Note that two
additional menu labels are now displayed: COPY and SHOW. The SHOW command
typesets the expression using standard mathematical notation. This command is useful if you
want to check that the expression you entered - with one or more sets of parentheses - is
exactly what you want. In Modes, toggle the Textbook Display field on to automatically
display all expressions entered in Textbook Format.
Deleting and Clearing
Press the COPY menu key to see the expression pasted into the entry line as shown in the
figure to the right. If you had meant to enter
moving the cursor to the right of the 3, then pressing the Backspace key, then typing 5. Press
On (Cancel) to cancel any entry, or Enter to execute the new calculation. Your last few
entries are automatically copied to the clipboard as well. You can copy a number or
expression into the clipboard and then paste it into another field or to the cursor location.
4 Getting Started
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, You can change the current expression by
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