Variables Linked to Documents | Texas Instruments TINSPIRECX

Variables Linked to Documents

Press h and you will see a floating menu showing all the variables that you have defined while using the current document.

When you load a different document these definitions will be replaced by those linked to that document. Make sure your list includes the variables g, h, d1 and d2 and then save the document, giving it the name FirstSteps.

The Save As.. option is in the Documents menu so press ~15, type the filename:

gFIRSTgSTEPS

and press ·.

First Steps with TI-Nspire™

Tutorial 2: The Calculator Application

List of defined variables

Check list of some key points in Tutorial 2:

•The layout of expressions often changes when they are evaluated

•Previous expressions and results can both be recalled for subsequent use

•Evaluation can be either approximate (decimals) or exact (fractions)

•How to use templates and menus

•Changing from default document settings

•Using Statistical Distribution functions

•Defining and using variables and functions

© 2012 Texas Instruments Education Technology

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Texas Instruments TINSPIRECX manual Variables Linked to Documents, List of defined variables

Contents

First Steps About this document Contents Appendix TI-Nspire CX Keypad Layout TI-Nspire Documents Nothing on the screen?Memory Charging the handheld Battery Life Home Screen First Steps with TI-Nspire Tutorial 1 TI-Nspire documents Scratchpad Documents, Problems and Pages Navigating Documents First Steps with TI-Nspire Tutorial 1 TI-Nspire documents Contextual Menus Check list of some key points in Tutorial Basic operations Calculator Application Approximate Calculations History Lesson Menu of maths templates Templates Document settings dialog box Effect of changed settingsGetting Set Some Algebra Ways to define variablesUse of function notation Calculator Menu Statistical Distribution TablesLists of random integers List of defined variables Variables Linked to Documents Why use Notes? Making NotesVarious text formatting Instructions Recording results Splitting the Screen Format sub-menuWays to split the screen You must press /e and then b More Options from the Notes Menu An inserted comment Use of proof template and symbolsInteractive Notes Use of Q+A template Asking Questions Check list of some key points in Tutorial Graphs & Geometry Two Views GraphingGraphing Functions Graphing View Changing the Axes Grab and Drag PracticeOpen-hand cursor Grabbed tick mark on the axes Zoom settings Grabbed-sheet icon Editing, Deleting or Hiding a FunctionChanging f2 in the function history Points and coordinates Tracing GraphsTrace picks out significant points Points of intersection Coordinates and labelled points Analyse Graph Menu Using Sliders Manually Moving GraphsAlternative icons Transformed graph and equation Sequence Plotting Check list of some key points in Tutorial View for Plane Geometry GeometryTwo Parallel Lines Drawing the base of the triangle What’s grabbable? Construct the TriangleMany options in the Construction menu Variables and Text Making MeasurementsMeasurement menu Storing the measurement as a variable Dynamic Changes Tidying Up and Using AttributesReady to grab a and slide it Changing the attributes of the triangle Unlocked/Unpinned Points B and C. Try Moving point B Area is now locked Check list of some key points in Tutorial Entering Data as Lists Lists & Spreadsheet Using Formulae Conflict resolutionOne way to enter a formula Typical Spreadsheet Actions Capturing Data Function TablesHand-made function table Graph and table side by side Simple function table Options for function tables Frequency Charts Charts with One Variable One and Two Variable StatisticsShoe Sizes and Hand Spans Pie Chart displaying categorical data Charts for Categorical DataComparing Boxplots Upper quartile displayed Charts with Two Variables Fitting a Line by Hand and EyeReady to add a 2nd variable Drawing the Regression Line Getting the StatsCalculated regression line Statistics Calculations menu Working with Frequency Data Dragging on the ChartsSets of statistics Effect of moving a point from here … … to here Texas Instruments Education Technology Check list of some key points in Tutorial Multiple Representations Draw and Measure a CircleMeasured circle Spreadsheet for Data Capture Setting up a scatter plot Data capture is under wayTwo Scatterplots Collecting Just a Little Data Fit a Straight Line Go to Town with Data CollectionLinear relationship Moving a straight line by hand Not a linear relationship Different Approach to Scatterplots RegressionBasic quadratic ready for fitting… … and dragged into place