HP 50G, Руководство пользователя

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Page 2-13
Suppose that now you want to add the fraction 1/3 to this entire expression,
i.e., you want to enter the expression:
First, we need to highlight the entire first term by using either the right arrow
(
™
) or the upper arrow (
—
) keys, repeatedly, until the entire expression is
highlighted, i.e., seven times, producing:
Once the expression is highlighted as shown above, type
+1/3
to
add the fraction 1/3. Resulting in:
NOTE : Alternatively, from the original position of the cursor (to the right of the 2
in the denominator of
π
2
/2), we can use the keystroke combination
‚—
,
interpreted as (
‚ ‘
).
3
1
)
2
5 ( 2 5
5
2
+
+ ⋅ +
π