HP Prime Graphing Wireless Calculator Manuel d'utilisateur Page 345

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3. Select Both sides of En (where n is the number of the selected equation).
4. By default, the tracer is active. Using the cursor keys, move the trace cursor along either graph until it
nears the intersection. Note that the value of A displayed near the bottom left corner of the screen
closely matches the value of A that you calculated.
The Plot view provides a convenient way to nd an approximation to a solution when you suspect that there
are a number of solutions. Move the trace cursor close to the solution (that is, the intersection) of interest to
you and then open Numeric view. The solution given in Numeric view is the solution nearest the trace cursor.
NOTE: By dragging a nger horizontally or vertically across the screen, you can quickly see parts of the plot
that are initially outside the x and y ranges you set.
Several equations
You can dene up to ten equations and expressions in Symbolic view and select those you want to solve
together as a system. For example, suppose you want to solve the system of equations consisting of the
following:
X
2
+ Y
2
= 16
X – Y = –1
Getting started with the Solve app 297
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