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Getting started 41
Tip
Pressing S= takes you straight to the very first entry
in history, and pressing
S\ takes you straight to the
most recent entry.
Using the clipboard Your last four expressions are always copied to the
clipboard and can easily be retrieved by pressing
SZ. This opens the clipboard from where you can
quickly choose the one you want.
Note that expressions and not results are available from
the clipboard. Note too that the last four expressions
remain on the clipboard even if you have cleared history.
To reuse the last
result
Press S+ (Ans) to
retrieve your last answer
for use in another
calculation. Ans
appears on the entry
line. This is a shorthand for your last answer and it can be
part of a new expression. You could now enter other
components of a calculation—such as operators, number,
variables, etc.—and create a new calculation.
Tip
You don’t need to first select Ans before it can be part of
a new calculation. If you press a binary operator key to
begin a new calculation, Ans is automatically added to
the entry line as the first component of the new
calculation. For example, to multiply the last answer by
13, you could enter
S+ s13E. But the
first two keystrokes are unnecessary. All you need to enter
is s13E.
The variable Ans is always stored with full precision
whereas the results in history will only have the precision
determined by the current Number Format setting (see
page 31). In other words, when you retrieve the number
assigned to Ans, you get the result to its full precision; but
when you retrieve a number from history, you get exactly
what was displayed.