HP 50G, Руководство пользователя

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Page 2-12
The result is the expression
The cursor is shown as a left-facing key. The cursor indicates the current edition
location. Typing a character, function name, or operation will enter the
corresponding character or characters in the cursor location. For example, for
the cursor in the location indicated above, type now:
*„Ü5+1/3
The edited expression looks as follows:
Suppose that you want to replace the quantity between parentheses in the
denominator (i.e., 5+1/3) with (5+
π
2
/2). First, we use the delete key (
ƒ
)
delete the current 1/3 expression, and then we replace that fraction with
π
2
/2,
as follows:
ƒƒƒ„ìQ2
When we hit this point the screen looks as follows:
In order to insert the denominator 2 in the expression, we need to highlight the
entire
π
2
expression. We do this by pressing the right arrow key (
™
) once. At
that point, we enter the following keystrokes:
/2
The expression now looks as follows: