HP Prime Graphing NW280AAABA manual Several equations, AXj+AYj S.16E AXwAYS. Q1E

N o t e By dragging a finger 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

Open the Solve app

Define the equations

Enter a seed value

You can define 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:

•X 2 + Y 2 = 16 and

•X – Y = –1

1.Open the Solve app. ISelect Solve

2.If you have no need for any equations or expressions already

defined, press SJ(Clear). Tap to confirm your intention to clear the app.

3.Define the equations.

AXj+AYj S.16E

AXwAYS. Q1E

Make sure that both equations are selected, as

we are looking for values of X and Y that satisfy both equations.

4.Display Numeric view.

M

Unlike the example above, in this example we have no values for any variable. You can either enter a seed value for one of the

Solve app 263