HP 39g+ Graphing manual Getting started

To copy a previous line

To reuse the last result

To repeat a previous line

Example

When you highlight a previous input or result (by pressing

), the and menu labels appear.

Highlight the line (press ) and press . The number (or expression) is copied into the edit line.

Press ANS (last answer) to put the last result from the HOME display into an expression. ANS is a variable that

is updated each time you press .

To repeat the very last line, just press . Otherwise,

highlight the line (press ) first, and then press .

The highlighted expression or number is re-entered. If the previous line is an expression containing the ANS, the calculation is repeated iteratively.

See how ANS retrieves and reuses the last result

(50), and updates ANS (from 50 to 75 to 100).

50 25

You can use the last result as the first expression in the edit

line without pressing ANS. Pressing , , , or , (or other operators that require a preceding

argument) automatically enters ANS before the operator.

You can reuse any other expression or value in the HOME display by highlighting the expression (using the arrow

keys), then pressing . See “Using previous results” on page 1-22 for more details.

The variable ANS is different from the numbers in HOME’s display history. A value in ANS is stored internally with the full precision of the calculated result, whereas the displayed numbers match the display mode.

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