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HP 40G manual PageNum

Models: 40G

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Page 248

15-42

$OO$SOHWV

PageNum

Page

$OO$SOHWV

Page

$OO$SOHWV

NoteText

Note variables

6WDWLVWLFV

In a program, type the page that is shown when >6+,)7@SKETCH is pressed.

Index for referring to a particular page of the sketch set (in Sketch view).

In a program, type graphicname &

The Page variable refers to the currently displayed page of a sketch set.

The following aplet variable is available in Note view.

UseA3NoteText$*(a to3recall$*(atext previously entered in Note view.

Sketch variables

The following aplet variables are available in Sketch view.

Defines page in sketch set. A sketch set can contain up to 10 graphics. The graphics can be viewed one at a time using

the and keys.

or

1 & StatMode

1VAR

& StatMode

In a program, store the constant name (or its number) into the variable StatMode. 1VAR =1, 2VAR=2.

Example

Toggles between 1–variable and 2–variable statistics in the Statistics aplet. Does not appear in the Plot Setup input form. Corresponds to the 9$5aand 9$5amenu keys in Numeric View.

StatMode

n & PageNum

Programming

Image 248

HP 40G manual PageNum

Contents

USER’S Guide Page Contents Parametric aplet Inference aplet Importing Sample Statistics from the Statistics apletVariables and memory management Programming Index Preface Manual conventions@, &26@, +20@, etc +,7@CLEAR, 6+,7@MODES, 6+,7@ACOS, etcPreface Home On/off, cancel operationsGetting started Parts of the display To adjust the contrast To clear the displayDisplay Annunciator Description KeyboardMenu keys Aplet control keys Key Meaning+,7@ $/3+$@175@ 75@Shifted keystrokes HelpwithKey Description +,7@$/3+$@Program commands Inactive keys Math keysTo search a menu To cancel a menuMenus Mode settings Reset input form valuesSetting Options Input formsSetting Options Press+20@ to return to Home Setting a modeAplets E-lessons Aplet Use this aplet to explore Name Quad Explorer aplet N TTrig Explorer aplet *,*A, keysSymbolic view Plot view Numeric view Aplet libraryAplet views Aplets are stored in the Aplet libraryViews menu contains the Plot-Table view Aplet view configuration Plot Setup Numeric Setup SymbolicConfiguration To change viewsMathematical calculations Entering expressionsLong results Negative numbers Example@4 6+,7@EEX @13@ @@6 6+,7@EEX 23@ j@ 3 6+,7@EEX 175@ Scientific notation powersExplicit and implicit multiplication Entering Calculates @ 45 @6+,7@π+,7@√ 85@9 +,7@√ @85 @9 @Clearing numbers Using previous results 175@ updates ANS from 50 to 75 to 50175@ @25 175@175@Key Function Accessing the display history$/3+$@ a 175@ Using fractions Setting Fraction modeSee Setting fraction precision below for more information Clearing the display historySetting fraction precision Fraction calculations Converting decimals to fractions Return to Home and enter the calculation@@@2@3 Evaluate the calculationComplex numbers Converting a number to a fractionComplex results To enter complex numbers + iyStoring complex numbers Catalog/Editor ContentsCatalogs and editors Differences between the HP 38G and the HP 39G/40G Memory manager Plot Goto functionStatistics Pred function Trig Explorer and Quadratic Explorer apletsPage About the Symbolic view Defining an expression Symbolic viewAplets and their views Aplet viewsAplets and their views Home Evaluating expressionsAplets Symb view keys $56@$7+@ +,7@CLEARSetting up the plot Plot view setup Plot view settingsAbout the Plot view 175@ orReset plot settings +,7@*A Exploring the graphPlot view keys Trace a graph Zoom within a graphTo jump directly to a value To turn trace on/ off Zoom optionsDivides horizontal scale only, using Multiplies horizontal scale, usingDivides vertical scale only, using Multiplies vertical scale only, using018Zoom =220Un-zoomPress *k, to move to the bottom of the Zoom list =220Zoom Out=220X-Zoom =220X-Zoom Out=220Y-Zoom =220Y-Zoom OutTo box zoom To set zoom factors Other views for scaling and splitting the graph OptionsMenu key copies the right plot to the left About the numeric view Overlay plotsDecimal scaling Integer scaling Trigonometric scalingReset numeric settings Setting up the table numeric view setupNumeric view settings Zoom within a table Exploring the table of numbersNUM view menu keys Building your own table of numbers Arrow keys to place the cursor in the independent variableColumn, then enter the value to jump to 175@, the values for the dependent variables areBuild Your Own menu keys Clear data+,7@√@9 Example plotting a circle$3/7@ Select Function aplet About the Function apletGetting started with the Function aplet Open the Function apletDefine the expressions Plot the functions@75@175@ Plot the functionsChange the scale Trace a graph With FCN functionsTrace the linear function TimesRoot value is displayed at the bottom of the screen Find the greater of the two roots of the quadratic functionSelectRoot 2Select.Slope Move the cursor to x = 1 by pressing the *A,orChoose the end value for @.2Display the numeric view Set up the table Display the numeric setupTo find the extremum of the quadratic Display the numeric viewMatch the table settings to the pixel columns in the graph Explore the tableDisplay a table of numeric values Move to X =Function aplet interactive analysis Area Extremum Isect Root SlopeAccess FCN variables FCN functions Function DescriptionTwo selected expressions Symbolic view. DisplaysCursor. You need to have at least $3/ @ Select Plotting a piecewise defined function example=  Page Parametric aplet About the Parametric apletGetting started with the Parametric aplet Open the Parametric aplet Define the expressions360 Set angle measure Set up the plot Plot the expression+,7@PLOT Overlay plot Display the numbers Plot a triangle graph over the existing circle graph+,7@ Plot 120Page Polar aplet Getting started with the polar apletOpen the Polar aplet +,7@CLEAR 46+,7@π 2.aExplore the graph Display the numbers Sequence aplet starts in the Symbolic view Sequence apletAbout the Sequence aplet Getting started with the Sequence apletDefine the expression Keys to assist in the entry of equationsPlot Setup, set the Seqplot option to Cobweb Plot the sequence Display the tablePlot the Fibonacci sequence Select CobwebPage Solve aplet About the Solve apletDefine the equation Define known variables Getting started with the Solve apletOpen the Solve aplet @ Select Auto Solve the unknown variable Plot the equationSolve for the unknown variable a Solve aplet’s NUM view keys ≈20 timesUse an initial guess Number formatInterpreting results Message ConditionRoot- Finder at work Plotting to find guesses At2 x = v0t +$/3+$@X 180@ 30 175@ 2175@ *e,4175@ *e,*e, to highlight TPlot the graph To move cursor to the intersectionUsing variables in equations Home variablesInitial guess 3175@*k,*k,*kStatistics aplet About the Statistics apletGetting started with the Statistics aplet 1400 920 1100 2265 2890 2200Open the Statistics aplet Enter data 175@1 175@ 175@5 175@ 175@4 175@To move to the next column 1400 175@920 175@ 1100 175@2265 175@ 2890 175@2200 175@Select2. Linear Choose fit and data columns Explore statistics Setup plotSelect a fit in the Symbolic setup view Display the equation for the best linear fit To move to the FIT1 +2fieldEntering and editing statistical data $7+@ S to highlightTo highlight 6175@Statistics aplet’s NUM view keys +,7@ FXUVRU160 175@ 165 175@ 170 175@ 175 175@ 180 175@ $56@ Height cm Frequency Sets will need to be selected againBefore re-use Delete data Angle SettingSave data Defining a regression model 2VAR Insert data Sort data valuesTo choose the fit Select the Sort Order option. You can choose eitherFit models To define your own fit Fit model Meaning= m lnx + b = ax3+bx2+cx+d. Needs at leastStatistic Definition Computed statisticsOne-variable Two-variable Columns for a linear fit onlyYou can plot PlottingTo plot statistical data Plot types Histogram Box and Whisker Plot Scatter PlotRelative Error Fitting a curve to0182VAR dataCorrelation CoefficientSetting up the plot Plot setup view Plotting mark 2VAR Connected points 2VARTrouble-shooting a plot Statistics aplet’s Plot view keys Calculating predicted values Find predicted valuesPage Default the input form contains example data. This example Inference apletAbout the Inference aplet Example dataGetting started with the Inference aplet Open the Inference apletInference aplet’s Symb view keys Hypothesis Tests Confidence IntervalsDefine the inferential method ∝.a∝Field name Definition Open Statistics aplet. Note Reset current settings Importing Sample Statistics from the Statistics apletPlot test results Open the Statistics apletCalculate statistics Open Inference aplet @529 175@ @295 175@ @952 175@ @259 175@ @925 175@ @592 175@2one.a Choose inference method and typeImport the data Display Numeric view Display Plot view Specify a 90% confidence interval in the C fieldE, to move to Field Display the confidence interval in the Plot viewHypothesis tests One-Sample Z-TestMenu name InputsResult Description Two-Sample Z-TestResults One-Proportion Z-Test H0 π1 = π2 Two-Proportion Z-TestSuccesses in the two populations is equal One-Sample T-Test Test 1 ∝Selected hypothesis against the null hypothesis. The null Hypothesis is that the sample mean has some assumed valueTwo-Sample T-Test Sample 1 standard deviation Sample 2 standard deviationConfidence intervals Confidence interval calculations that the HP 39G/40G canPerform are based on the Normal Z-distribution or Student’s Confidence levelTwo populations, ∝1 ∝2, when the population standard Two-Sample Z-IntervalConfidence interval for the difference between the means Deviations, σ1 and σ2, are knownOne-Proportion Z-Interval Sample success countTwo-Proportion Z-Interval Successes in two populationsSample 1 success count Sample 2 success countOne-Sample T-Interval Two-Sample T-Interval Page Math menu Using mathematical functionsMath functions Calculus Loop Stat-Two Complex Matrices To select a functionFunction categories Functions common to keyboard and menus Math functions by categorySyntax Keyboard functions +,7@ASIN +,7@ACOS+,7@ATAN +,7@√Valuepower +,7@ABSABSvalue +,7@ nCalculus functions TaylorVariableexpression Lower,upper,expression,variableConj Complex number functionsARG Constants Hyperbolic trigonometryList functions AlogEXP EXPM1Loop functions Matrix functionsIterate RecursePolynomial functions PolycoefPolyeval PolyformProbability functions CombPerm RandomUtpc UtpfUtpn UtptReal-number functions HMS→ →HMSINT MantMOD ChangeTotal RAD→DEGStatistics-Two SignTruncate XponSymbolic functions IsolateLINEAR? QuadQuote Trigonometry functions Symbolic calculations Symbolic calculations in the Function apletUsing formal variables HomeFinding derivatives To find derivativesGG@$/3+$@S1 Evaluate the functionTo find derivatives in the Function aplet’s Symbolic view GG@@$/3+$@To find the indefinite integral using formal variables +,7@GG@0 @ $/3+$@ S1 @ 3 @Show the result format Thus, substituting X for S1, it can be seen that10-26 Variables and memory management IntroductionTo store a value Storing and recalling variablesNumeric Precision To store the results of a calculation Vars menu To use variablesCalculations 65 @$/3+$@A 175@Names or values of variables into programs +,7@LIST2contents,.a is copied to the command line $56@ *e,*e,*e,*A$/3+$@L3175@ List names directly from the keyboardCategory Available names To copy the value of the variable into the edit line To access an aplet variableAplet variables Memory Manager Start the Memory Manager. a list of variable categoriesIs displayed +,7@MEMORYPage Matrices VectorsMatrices Matrix VariablesCreating and storing matrices Matrix Catalog keys+ 7@CLEAR +,7@*e, orTo create a matrix in the matrix catalog Select the type of matrix to createWorking with matrices To transmit a matrixClears all elements from the matrix +,7@*k, *e728 672? Matrix arithmetic To multiply and divide by a scalar175@ 2175@*e 175@ 4175@ 175@ 8 175@$/3+$@M1@ $/3+$@M2 175@ $/3+$@M1 j@$/3+$@M2 175@Solving systems of linear equations +,7@MATRIX1 175@175@7 175@ +,7@MATRIXMatrix functions and commands About functionsArgument conventions Eigenval EigenvvIdenmat InverseRank RownormRref SchurExamples TraceTRN Identity Matrix Transposing a MatrixReduced-Row Echelon Form Lists Creating listsCreate a list in the List Catalog Open the List catalogList catalog keys Create a list List edit keysDisplaying and editing lists To display a listTo display one element To edit a list @ /@16a*e To insert an element in a list To store one elementDeleting lists Transmitting listsTo delete a list To delete all listsList functions $/3+$@L 5175@ $7+@L *A $/3+$@L5175@$7+@L *A,Select $/3+$@A @Calculates the product of all elements in list POSlist, elementCalculates the number of elements in a list Sorts elements in ascending order$/3+$@ L1 175@ Finding statistical values for list elements89@65@ 0@89 180@67$76a Go to the Numeric view To display calculated statisticsPage Aplet note view To write a note in Note view+,7@letter Your work is automatically saved. Press any view key+,7@%.63$= +,7@ CmdsTo draw a line Aplet sketch viewSketch keys Where you want any corner of the box to be You can adjust the size of the box by moving the cursorTo draw a box Draw keysHighlight2. the variable name you want to use and press KeysPress 2.again to affix the label To import a graphics variable To create a note+,7@NOTEPAD Name of the note is ‘MYNOTE’Opens the selected note for Begins a new note, and asks forTransmits the selected note to Another HP 39G/40G or PC14-8 Contents of a Program Structured Programming ProgrammingProgram catalog Open Program catalogProgram catalog keys +,7@*k, or *eCreating and editing programs Create a new programEnter commands Edit a program +,7@CMDSA,*e To enter functions more to comeEditing keys Run a program From HOME, type RUN programname. or Using programsDebug a program Stop a program Working with programs Copy aProgram Transmit a program Delete a programDelete the contents of a program About customizing an apletDelete all Programs$3/7@Select Aplet naming conventionCustomizing an aplet example Configuring the Setviews menu option programs Setviews ’’’’’’’’18 Programming 15-13 Programming commands Aplet commandsCheck SelectCommand syntax Syntax for the command is as followsAuto-run programs Branch commands UncheckIF...THEN...END If test-clauseIferr trap-clause Then error-clause END IF... thenELSE... END CASE...END Iferr Then ENDDrawing commands Graphic commands →GROB GrobnotGrobor GrobxorLoop commands Matrix commands Randmat RedimScale ScaleaddPrint commands Prompt commandsDisp DisptimeDisp linenumbertextitem Editmat matrixnameInput Input nametitle,labelhelpdefaultGetkey Msgbox PromptWait Wait secondsStat-Two commands Stat-One and Stat-Two commandsStat-One commands Storing and retrieving variables in programs Plot-view variablesArea AxesCoord ExtremumFastRes GridHwidth IndepInvCross IsectNmin / Nmax RecenterRoot S1mark-S5markSimult SlopeStatPlot Umin/UmaxTmin / Tmax TracingTstep XcrossXtick YtickXmin / Xmax Ymin / YmaxSymbolic-view variables XzoomYzoom AngleX1, Y1...X9,Y9 X0,Y0 R1...R9, R0U1...U9, U0 E1...E9, E0Digits Numeric-view variablesC1...C9, C0 Format NumColNumFont NumIndepNumRow NumStartNumStep NumTypePageNum Extending aplets Creating new aplets based on existing aplets$/3+$@ C @ 175@ Aplet Keys$/3+$@ H 175@ $1@ $/3+$@ θ @ $3/ @Select 180@ 35 175@Resetting an aplet Downloading e-lessons from the webSolve for the missing Length of the ladder is approximately 8.72 metresSending and receiving aplets To transmit an apletTo delete an aplet Sorting items in the aplet library menu listTo sort the aplet list Canada Reference informationRegulatory information LED safety WarrantyReference information Resetting the HP 39G/40G To reset using the keyboard21@ key To erase all memory and reset defaultsIf the calculator does not turn on Glossary Cross matrix1,matrix2Batteries Operating temperature 0 to 45C 32 to 113FOperating details Category Available name Menu maps of the Vars menuHome variables are Function aplet variables User-namedModes Function aplet variables areParametric aplet variables are Parametric aplet variablesPlot-FCN Polar aplet variables Polar aplet variables areSequence aplet variables Sequence aplet variables areSolve aplet variables Solve aplet variables areStat-One Statistics aplet variablesStatistics aplet variables are Menu maps of the Math menu Math functionsMath functions are CalculusPolynom = =Program constants Program commands Category Command+,7@ Memory Selected status messagesMessage Meaning Current screen Function value, root, extremumOr intersection is not visible Index Index Index Index Index Index Index Index Index Index Index Index Index