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Printing A Plot; Changing The Scale Of The Plot - HP -28S Manual

Advanced scientific calculator.
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Printing a Plot
If you have an HP 82240A printer, you can print an image of the plot
you just made as follows.
1. Position the printer according to the instructions in the printer
manual.
2. Press and hold
1
ON
I.
3. Press IT] (the key with "PRINT" written above it).
4. Release
1
ON
I.
These keystrokes are the keyboard equivalent of the command
PRLCD
(print LCD,
found on the first row of the PRINT menu). You
can use these keystrokes to print the display at practically any time,
without disturbing calculator operation.
If you write a program to plot an expression and print the result, use
the following sequence of commands:
... CLLCD DRAW PRLCD ...
Returning to the present example, now restore the normal display of
the stack.
Changing the Scale of the Plot
In general, plotting an expression doesn't produce such tidy results
the first time. When you're plotting an unfamiliar expression you may
need to adjust the plotting region-defined by the plotting param-
eters-to show the relevant characteristics of the expression.
7: Plotting
91

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