Hp Prime Graphing Calculator Manual do Utilizador descarregar pdf (Página 144)

100

101

140 Geometry

tangent changes in Plot view, the value of the slope is

automatically updated in Numeric view.

26.With the new calculation highlighted in Numeric view,

tap .

Selecting a calculation in Numeric view means that it will

also be displayed in Plot view.

27. Press

P to return to

Plot view.

Notice the calculation

that you have just

created in Numeric view

is displayed at the top

left of the screen.

Let’s now add two more

calculations to Numeric view and have them displayed

in Plot view.

28. Press

M to return to Numeric view.

29. Tap , enter GB, and tap .

Entering just the name of a point will show its

coordinates.

30.Tap , enter GC, and tap .

Entering just the name of a line will show its equation.

31. Make sure both of these new equations are selected (by

choosing each one and pressing ).

32. Press

P to return to

Plot view.

Notice that your new

calculations are

displayed.

33. Press

E and

choose point GB.

34.Use the cursor keys to move point B along the graph.

Note that with each move, the results of the calculations

shown at the top left of the screen change.

Trace the

derivative

Point D is the point whose ordinate value matches the

derivative of the curve at point B. It is easier to see how the

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