HP NW280-1001 - Manual

1 1 1 Getting Started The HP Prime Graphing Calculator is an easy-to-use yet powerful graphing calculator designed for secondary mathematics education and beyond. It offers hundreds of functions, and includes a computer algebra system (CAS) for symbolic calculations. This quick start guide covers ba...

2 2 • Bread-crumb notation is used to represent a selection from sub-menus or sub-sub-menus. For example, “Select Polynomial > Algebra > Quotient ” means first select Polynomial , then select Algebra , and finally select Quotient . • Cursor keys are represented by = , \ , > , and < . You...

3 3 Adapter Warning • To reduce the risk of electric shock or damage to equipment, only plug the wall adapter into an AC outlet that is easily accessible at all times. • To reduce other potential safety risks, only use the wall adapter provided with the calculator, a replacement wall adapter provide...

4 4 Navigation The HP Prime offers two modes of navigation: by touch and by keypress. In many cases, you can tap on an icon, field, menu, or object to select (or deselect) it. For example, you can open the Function app by tapping once on its icon in the Application Library. However, to open the Appl...

5 5 Alternatively, you can just tap the field or field label, and: • if the field allows you to enter data of your choice, tap it, enter your data, and tap . • if the field allows you to choose an item from a menu, tap on it twice and select the item you want.• if the field is a toggle field—one tha...

6 6 The examples in this guide will illustrate the textbook mode of entry. The order in which items are entered in textbook mode is the same in algebraic mode. Only the appearance of the entry is different. However, the order of entry in RPN mode is different. If you prefer to use RPN, consult the U...

7 7 Editing, Deleting, and Clearing With an expression highlighted in history, tap . The expression is copied to the entry line (as shown at the right). If you had meant to enter , you can edit the current expression by moving the cursor to the right of the  , pressing C , and then typing 3. To cle...

8 8 To store your last answer in Home variable A: AaE Your stored value appears as shown to the right. If you then wanted to multiply your stored value by 5, you could enter: Aas 5 E . You can also create your own variables (both in Home view and in CAS view). For example, entering 101 A Q A cE assi...

9 9 Understanding the User Interface Menu Items The bottom of the display contains a menu of up to six items. You choose an item by tapping it once with your finger. The menu items change depending on what screen is showing, or what item you last chose. Check Boxes A check box enables you select or ...

10 10 Computer Algebra System (CAS) The computer algebra system (CAS) enables you to perform symbolic calculations. By default, the CAS works in exact mode. On the other hand, non-CAS calculations, such as those performed in Home view or by an app, are numerical calculations and often approximations...

11 11 CAS calculations: Some examples Suppose you want to find the quotient when x 3 + 2 x 2 + 3 x +4 is divided by – x + 2. 1. Press K to open the CAS. 2. Press D to display the Toolbox menus. 3. If the CAS menu is not open, tap . Note that the CAS functions are grouped by category. When you select...

12 12 6. Press E to see the result: – x 2 – 4 x –11. Note that the input and result appear in history, where you can select them for re-use. We will now re-use the function to determine the remainder of the division. 7. Tap on the function and then tap . The expression is copied to the entry line. 8...

13 13 2 HP Apps and their Views HP Apps Much of the functionality of the HP Prime is provided in packages called HP apps . The HP Prime comes with 18 HP apps: 12 dedicated to mathematical topics or tasks, three specialized Solvers, and three function Explorers. You launch an app by first pressing I ...

14 14 The three specialized Solvers—outlined in Table 2—are designed to help you solve problems of a specific type. Three apps are specifically designed to help you explore the relationships between the values of the parameters in a function and the shape of the graph of the function. See Table 3 be...

15 15 Data sharing Using the supplied USB cable, you can send an app from one HP Prime to another. It can be a built-in app or one you’ve customized. In fact, you can share with other HP Prime users many of the objects you create using your HP Prime, such as programs, notes, lists, and matrices.Note...

16 16 The six primary app views are illustrated below (using the Function app as an example). Symbolic View: Y This view is primarily used to define the mathematical objects—such as expressions and open sentences—that will be represented in the Plot and Numeric views. It is also used to specify the ...

17 17 Graphing Methods Numeric View: M This view displays a table of evaluations. It also enables you to enter specific values to be evaluated. In most apps, this view evaluates according to the definitions specified in the Symbolic view. It serves a different purpose in other apps, such as the stat...

18 18 3 Primary Apps This chapter briefly describe each primary app, summarizing its major views and the functionality available in each view. These apps—and the Solver and Explorer apps—are described in detail in the User Guide . Note that all the primary variables entered in expressions and open s...

20 20 • : displays an input box for you to specify an x -value for the tracing cursor. You can also just enter an x -value. This displays the Go To input box. Just tap to confirm the value. This option provides a quick way to evaluate a function for a particular x -value. • : opens the Function menu...

21 21 The second page of the Plot Setup view provides the following options: • Axes : shows or hides the axes • Labels : shows or hides the axis labels (that is, the values of X Rng and Y Rng at the end of the axes) • Grid Dots : shows or hides grid dots • Grid Lines : shows or hides grid lines • Cu...

22 22 Numeric Setup view Press SM to display the Numeric Setup view. This view enables you to configure the appearance of the data displayed in Numeric view. The fields are: • Num Start : the first value of X to show in the independent variable column of the table • Num Step : the common difference ...

24 24 Numeric view Press M to display the Numeric view. For various combinations of X and Y , Numeric view shows whether the open sentence is satisfied. The illustration at the right shows that the open sentence 2 x – 3 y ≤ 6 (defined as S2 in Symbolic view: see above) is satisfied when X = 4.5 and ...

25 25 Plot Setup View Press SP to display the Plot Setup view. This view enables you to configure the appearance of the parametric graphs. This view is similar to the Plot Setup view of the Function app (see page 20), except that it also contains T Rng and T Step fields. These fields enable you to s...

26 26 Plot Setup view Press SP to display the Plot Setup view. This view enables you to configure the appearance of the polar graphs. This view is similar to the Plot Setup view of the Function app (see page 20), except that it also contains  Rng and  Step fields. These fields enable you to specif...

27 27 Plot view Press P to display the Plot view and see the graphs of the sequences selected in Symbolic view. The functionality here is the same as in the Function Plot view, except that there are no Fcn functions. Plot Setup view Press SP to display the Plot Setup view. This view enables you to c...

31 31 Spreadsheet App The spreadsheet app provides a grid of cells for you to enter content (such as numbers, text, expressions, and so on) and to perform certain operations on what you enter. To open the Spreadsheet app, press I and select Spreadsheet . The app opens in Numeric view. (There is no P...

32 32 A single formula can add content to every cell in a column or row. For example, move to C (the heading cell for column C), enter S. SIN(Row) and press E . Each cell in the column is populated with the sine of the cell’s row number. A similar process enables you to populate every cell in a row ...

33 33 Cells, rows, and columns can be named. To name a cell, row, or column, go the cell, row header, or column header, enter a name and tap . The name can then be used in a formula. Consider the following example: 1. Select cell A (that is the header cell for column A). 2. Enter COST and tap . 3. S...

35 35 Statistics 1Var App The Statistics 1Var app is designed for the study of univariate statistics. It provides tools for entering numeric data, calculating 1-variable summary statistics, and plotting 1-variable statistical graphs. The app can exchange data with the Statistics 2Var app and the Spr...

37 37 Statistics 2Var App The Statistics 2Var app is designed for the study of bivariate statistics. It provides tools for entering numerical data, calculating 2-variable summary statistics, and creating 2-variable statistical plots. The app can exchange data with the Statistics 1Var app and the Spr...

39 39 Inference App The Inference app provides tools for inferential statistics, enabling you to specify confidence intervals and test hypotheses. Summary statistics from any column in the Numeric view of the Statistics 1Var or Statistics 2Var app can be imported into it. To open the Inference app, ...

40 40 Tap to see the confidence interval or hypothesis test results and to return to the Numeric view. Press P to display the Plot view. This view displays the test results or confidence interval graphically.Tap to display the critical score against the test score. Press \ or = to decrease or increa...

41 41 • or : toggles the action of the cursor keys between pan (that is, scroll) and zoom. Zoom in or out horizontally on the streams even while data is streaming, effectively speeding them up or slowing them down. Scroll vertically to separate or center the streams. • : turns oscilloscope mode on a...

42 42 Solve App The Solve app enables you to define up to ten equations, each with as many variables as you like. You can solve a single equation for one of its variables, based on a seed value. You can also solve a system of equations (linear or non-linear), again using seed values. To open the Sol...

43 43 Plot view You can plot only one equation at a time in the Solve app, so make sure that only one equation is selected in Symbolic view. To display Plot view, press P . The left side and the right side of the selected equation are plotted as separate graphs. The variable that was highlighted in ...

46 46 Linear Solver App The Linear Solver app solves 2×2 and 3×3 systems of linear equations. To open the Linear Solver app, press I and select Linear Solver .The Linear Solver app has two pages: one for 2×2 systems and the other for 3×3 systems. By default, the 3×3 page is displayed on opening. Ent...

47 47 Triangle Solver App This app calculates the lengths of sides and the sizes of angles in triangles. To open the Triangle Solver app, press I and select Triangle Solver . The lengths of sides are represented by a , b , and c , and the angle opposite each side is represented by A , B , and C resp...

48 48 Note that in this case, there is a second solution. You can tell that by the presence of a new menu item: . Tap to see the second solution: c = 3.825… Press again to see the earlier result. 5 Explorer Apps Explorer apps are designed for you to explore linear, quadratic, and trigonometric funct...

49 49 The left half of the display shows the graph of a quadratic function. The right half shows the general form of the equation being explored (at the top) and, below it, the current equation of that form. Symbols of the keys you can use to manipulate the equation or graph appear below the equatio...

50 50 Test view is like equation mode in that you use the change keys to select and change the value of each parameter in the equation. The goal is to try to match the graph that is shown.The menu items in test view are: • : within each level of equation (see below) there are a number of difficult g...

52 52 Tap to enter test view. In test view you can test your skill at matching an equation to the graph shown. Test view is like equation mode in that you use the cursor keys to select and change the value of each parameter in the equation. The goal is to try to match the graph that is shown. The fu...

53 53 7 The Toolbox Menus Comprehensive menus of functions, commands, and variables are grouped together in a set of five menus known as the Toolbox menus. You press the Toolbox key ( D ) to display these menus, labeled Math , CAS , App , User , and Catlg . As well as the two usual techniques for se...

54 54 CAS Menu This menu contains the more common math functions available to you in the CAS, arranged by category. (Other CAS functions are available from the Catlg menu.) Press D and, if necessary, tap . Select the appropriate category and then choose the function you want. For example, suppose yo...

55 55 User Menu The User menu lists user-defined functions and programs. For example, using the Define feature ( Sd ) you can define your own functions. The name you give to a function will appear on the User menu. You could, for instance, create the function SIN(X)+COS(Y) and name it SINCOS . SINCO...

56 56 8 Catalogs and Editors The HP Prime provides a number of handy catalogs for you to store the lists, matrices, programs, and notes you create. Each of these catalogs has an editor to help you quickly create and modify a list, matrix, program, or note. Like apps, items you add to a catalog can b...

57 57 • : displays a menu for you to choose how many lists to display at one time: one, two, three, or four. For example, if you have only L4 displayed and you choose 3 from the Lists menu, lists L5 and L6 will be displayed in addition to L4 . Enter the first element in your list and press E or tap ...

58 58 When you select a matrix, the Matrix Editor opens. The menu items in the Matrix Editor are: • : copies the selected element to the entry line where it can be edited. This item is only visible when an element in the matrix or vector is selected. • : displays a menu for you to choose to insert a...

60 60 A simple program is illustrated at the right. When it runs, the value of N is set to 1 and the program continues until it becomes 10. The value is displayed on screen in a message box. The value is preceded by the string Counting: . If you tap or press E , the value of N is incremented by 1. T...