Saving A Graph For Future Use - HP 49g+ User Manual

curves intercept at two points. Move the cursor near the left intercept
point and press @) @ FCN! @ISECT, to get I-SECT: (-0.6834...,0.21585).
Press L to recover the menu.
• To leave the FCN environment, press @) P ICT (or L) P ICT).
• Press @CANCL to return to the PLOT WINDOW environment.
press L @@@OK@@@ to return to normal calculator display.
Note: the stack will show all the graph operations performed, properly
identified.
•
Enter the PLOT environment by pressing, simultaneously if in RPN
mode, „ñ.
environment now contains the derivative of Y1(X). Press L@@@OK@@@ to
return to return to normal calculator display.
• Press ‚@@EQ@@ to check the contents of EQ. You will notice that it
contains a list instead of a single expression. The list has as elements
an expression for the derivative of Y1(X) and Y1(X) itself.
Originally, EQ contained only Y1(x). After we pressed @@F' @@ in the
@) F CN@ environment, the calculator automatically added the derivative of
Y1(x) to the list of equations in EQ.

Saving a graph for future use

If you want to save your graph to a variable, get into the PICTURE
environment by pressing š.
captures the current picture into a graphics object. To return to the stack,
press @) P ICT @CANCL.
In level 1 of the stack you will see a graphics object described as Graphic
131 × 64. This can be stored into a variable name, say, PIC1.
To display your figure again, recall the contents of variable PIC1 to the stack.
The stack will show the line: Graphic 131 × 64. To see the graph, enter
the PICTURE environment, by pressing š.
Clear the current picture, @EDIT L@ERASE.
Notice that the highlighted field in the PLOT
Then, press @EDIT LL@PICT .
Then,
This
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