HP Prime Graphing Wireless Calculator Instrukcja Użytkownika Strona 110

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6 Introduction to HP apps
Much of the function of the HP Prime calculator is provided in packages called HP apps. The HP Prime
calculator comes with 18 HP apps: 10 dedicated to mathematical topics or tasks, three specialized Solvers,
three function Explorers, a spreadsheet, and an app for recording data streamed to the calculator from an
external sensing device. You launch an app by rst pressing (which displays the Application Library
screen) and tapping on the icon for the app you want.
What each app enables you to do is outlined in the following table, where the apps are listed in alphabetical
order.
App name Use this app to:
Advanced Graphing Explore the graphs of symbolic open sentences in x and y.
Example: x
2
+ y
2
= 64
DataStreamer Collect real-world data from scientic sensors and export it to a statistics app for analysis.
Finance Solve time-value-of-money (TVM) problems and amortization problems.
Function Explore real-valued, rectangular functions of y in terms of x.
y = 2x
2
+ 3x + 5
Geometry Explore geometric constructions and perform geometric calculations.
Inference Explore condence intervals and hypothesis tests based on the Normal and Student’s t-
distributions.
Linear Explorer Explore the properties of linear equations and test your knowledge.
Linear Solver Find solutions to sets of two or three linear equations.
Parametric Explore parametric functions of x and y in terms of t. Example: x = cos(t) and y = sin(t).
Polar Explore polar functions of r in terms of an angle θ.
Example: r = 2cos(4θ)
Quadratic Explorer Explore the properties of quadratic equations and test your knowledge.
Sequence Explore sequence functions, where U is dened in terms of n, or in terms of previous terms in
the same or another sequence, such as U
n – 1
and U
n – 2
.
Example: U
1
= 0, U
2
= 1, and U
n
= U
n – 2
+ U
n – 1
Solve Explore equations in one or more real-valued variables, and systems of equations.
Example: x + 1 = x
2
– x – 2
Spreadsheet To solve problems or represent data best suited to a spreadsheet.
Statistics 1Var Calculate one-variable statistical data (x).
Statistics 2Var Calculate two-variable statistical data (x and y).
Triangle Solver Find the unknown values for the lengths and angles of triangles.
Trig Explorer Explore the properties of sinusoidal equations and test your knowledge.
62 Chapter 6 Introduction to HP apps
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