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version 1.3, 2002/06/03 05:15:59 version 1.4, 2002/06/03 21:29:28
Line 140  Throughout this manual, keywords and phr Line 140  Throughout this manual, keywords and phr
 bold type  bold type
 \series default   \series default 
 .  .
    Function names and scripts will be shown in a 
   \family typewriter 
   typewriter font
   \family default 
   .
 \layout Standard  \layout Standard
   
 Chapters   Chapters 
Line 2650  After the system notices the map does no Line 2655  After the system notices the map does no
  Note there are two windows.   Note there are two windows.
  One is the workspace, and one is the window which will contain information   One is the workspace, and one is the window which will contain information
  as you add resources.   as you add resources.
 \layout Subsection  \layout Comment
   
   The following is a commented-out section of the manual, likely to not be
    useful.
   \layout Comment
   
 About The Editor  About The Editor
 \layout Standard  \layout Comment
   
 \begin_float fig   \begin_float fig 
 \layout Caption  \layout Caption
Line 2666  Example of the Map Editor Line 2675  Example of the Map Editor
   
 \end_float   \end_float 
 Maps are very powerful and can do a lot.  Maps are very powerful and can do a lot.
  They can make decisions as the user progresses, and go down different paths   They can make decisions as the user progresses, going down different paths
  under different circumstances.   under different circumstances.
  For instance, a map can go down one path if the user gets a problem right,   For instance, a map can go down one path if the user gets a problem right,
  and another path if they don't.   and another path if they don't which will provide more help for the student.
     
 \layout Standard  \layout Comment
   
 To facilitate editing these powerful entities, LON-CAPA has a map editor  To facilitate editing these powerful entities, LON-CAPA has a map editor
  that helps you take advantage of this power, as seen in figure    that helps you take advantage of this power, as seen in figure 
Line 2697  Finish Line 2706  Finish
  In the example figure, there are two paths the student can go down, depending   In the example figure, there are two paths the student can go down, depending
  on whether or not they get the problem at the branch point correct.   on whether or not they get the problem at the branch point correct.
  By the end of this section, we'll create the map represented in this figure.   By the end of this section, we'll create the map represented in this figure.
 \layout Standard  \layout Comment
   
 The branching ability can obviously be used to help the student understand  The branching ability can obviously be used to help the student understand
  the concept in the problem by having them go through some extra material   the concept in the problem by having them go through some extra material
Line 2706  The branching ability can obviously be u Line 2715  The branching ability can obviously be u
 \layout Subsection  \layout Subsection
   
 Creating a Simple Map: Page  Creating a Simple Map: Page
   \begin_inset LatexCommand \index{Page}
   
   \end_inset 
   
   
 \layout Standard  \layout Standard
   
 To add a resource to the map:  To create a simple page that joins several resources into one page:
 \layout Enumerate  \layout Enumerate
   
 Click on an unused light gray area.  
 \begin_float fig   \begin_float fig 
 \layout Standard  \layout Standard
 \align center   \align center 
   
 \begin_inset Figure size 476 242  \begin_inset Figure size 476 221
 file mapEditFirstClick.eps  file mapClickedStart.eps
 width 3 80  width 3 80
 flags 9  flags 9
   
Line 2726  flags 9 Line 2739  flags 9
   
 \layout Caption  \layout Caption
   
 Map Editor after clicking on the box labelled   Clicked Start in the Map Constructor
   \begin_inset LatexCommand \label{Clicked Start Figure}
   
   \end_inset 
   
   
   \end_float 
   Click the Start box.
    You'll see what you see in figure 
   \begin_inset LatexCommand \ref{Clicked Start Figure}
   
   \end_inset 
   
   .
    Click 
 \begin_inset Quotes eld  \begin_inset Quotes eld
 \end_inset   \end_inset 
   
 here  Link Resource
 \begin_inset Quotes erd  \begin_inset Quotes erd
 \end_inset   \end_inset 
   
 .   in the secondary window, then click on the Finish box.
    \begin_float fig 
 \begin_inset LatexCommand \label{Map Editor First Click Figure}  \layout Standard
   \align center 
   
   \begin_inset Figure size 120 360
   file mapStraightened.eps
   flags 9
   
 \end_inset   \end_inset 
   
   
 \end_float   \layout Caption
  In figure   
 \begin_inset LatexCommand \ref{Map Editor First Click Figure}  Straightened Map
   \begin_inset LatexCommand \label{Striaghtened map}
   
 \end_inset   \end_inset 
   
 , the map editor after clicking on the area labelled   
   \end_float 
    After that, click 
 \begin_inset Quotes eld  \begin_inset Quotes eld
 \end_inset   \end_inset 
   
 here  straighten
 \begin_inset Quotes erd  \begin_inset Quotes erd
 \end_inset   \end_inset 
   
  is shown.  .
  In that figure, lines have been added to show where the box boundaries   You should see something like figure 
  are for the purposes of demonstration.  \begin_inset LatexCommand \ref{Striaghtened map}
  This is to allow you to stay in sync with this tutorial; normally this  
  doesn't matter.  
    
 \begin_deeper   
 \layout Standard  
   
 Note that the contents of the seperate window have changed.  \end_inset 
 \end_deeper   
   .
    This creates a simple map that flows from beginning to end.
 \layout Enumerate  \layout Enumerate
   
 \begin_float fig   \begin_float fig 
 \layout Standard  \layout Standard
 \align center   \align center 
   
 \begin_inset Figure size 476 218  \begin_inset Figure size 264 245
 file mapNewResource.eps  file mapInsertResource.eps
 width 3 80  
 flags 9  flags 9
   
 \end_inset   \end_inset 
Line 2782  flags 9 Line 2813  flags 9
   
 \layout Caption  \layout Caption
   
 Map Resource Editor  Inserting a Resource
 \begin_inset LatexCommand \label{Map Resource Editor Figure}  \begin_inset LatexCommand \label{Inserting a Resource Figure}
   
 \end_inset   \end_inset 
   
   
 \end_float   \end_float 
 Click on   To insert a resource into the flow, click the black line with two arrows.
 \series bold    In the secondary window, you'll see something like figure 
 Insert Resource  \begin_inset LatexCommand \ref{Inserting a Resource Figure}
 \series default   
  in the secondary window.  
  A   
 \series bold   
 Resource  
 \series default   
  will appear in the map editor.  
  Click on the new Resource, and you'll get something like Figure   
 \begin_inset LatexCommand \ref{Map Resource Editor Figure}  
   
 \end_inset   \end_inset 
   
  will show appear.  .
  Click    Click 
 \series bold   \series bold 
   Insert Resource Into Link
   \series default 
   .
    A new resource will appear in the link.
    Click the resource.
   \layout Enumerate
   
   Click 
   \series bold 
 Browse  Browse
 \series default   \series default 
 , and the   , and the 
Line 2846  Network Directory Browser Line 2877  Network Directory Browser
 \layout Standard  \layout Standard
 \align center   \align center 
   
 \begin_inset Figure size 476 213  \begin_inset Figure size 61 360
 file mapEditorResourceChosen.eps  file mapEditorResourceChosen.eps
 width 3 80  
 flags 9  flags 9
   
 \end_inset   \end_inset 
Line 2861  Resource Chosen Line 2891  Resource Chosen
   
 \end_inset   \end_inset 
   
  (HTML page)  
 \end_float   \end_float 
  Once you've done that, if you look back at the window that popped up when   Once you've done that, if you look back at the window that popped up when
  you clicked on    you clicked on 
Line 2882  URL Line 2912  URL
 \series bold   \series bold 
 Title  Title
 \series default   \series default 
  if you prefer, following the format you see above.   into the secondary window, if you prefer, following the format you see
    above.
  After you click    After you click 
 \series bold   \series bold 
 Save Changes  Save Changes
Line 2908  Clicking on the left icon for a resource Line 2939  Clicking on the left icon for a resource
 \end_deeper   \end_deeper 
 \layout Enumerate  \layout Enumerate
   
 Let's give practice giving ourselves a bit more space.  Repeat steps two and three for as many resources as you'd like to bind together
  Click on the grey space just left of your resource, and select    into one page.
 \series bold    You can insert the new resources anywhere you'd like.
 Insert Column Right  
 \series default   
 .  
  This will add a column to the right of that space.  
  Now, click on the bottom row in the grey area, and select   
 \series bold   
 Insert Row Above  
 \series default   
 .  
  This gives us enough space to work with.  
 \layout Enumerate  \layout Enumerate
   
 Now, in the map editor window, click just to the left of the   When you are done adding resources, click the 
 \series bold   \series bold 
 Res  Save Map
 \series default   \series default 
  box.   link to save the map.
 \begin_float fig   \layout Subsection
 \layout Standard  
 \align center   
   
 \begin_inset Figure size 357 190  Creating Sequences
 file mapSecondWindowSecondResource.eps  \begin_inset LatexCommand \index{Sequence}
 flags 9  
   
 \end_inset   \end_inset 
   
   
 \layout Caption  \layout Standard
   
 Choosing your second resource  
 \begin_inset LatexCommand \label{Map Second Resource Figure}  
   
 \end_inset   
   
   
 \end_float   Sequences are a series of resources that can be navigated using the 
  The secondary window will appear as it does in figure   \series bold 
 \begin_inset LatexCommand \ref{Map Second Resource Figure}  NAV
   \series default 
    remote control button, or by using the arrow keys on the remote control.
    Sequence maps are created identically to page maps, the only difference
    is how they are displayed.
   \layout Subsection
   
 \end_inset   Creating a Course: Top-level Sequence
   \layout Standard
   
 , but for now just choose   In order to view sequences, they need to be part of a 
 \series bold   \series bold 
 Insert Resource  course
 \series default   \series default 
  again, not the new options.  .
  Insert a resource in the same manner as before.  
 \begin_float fig   \begin_float fig 
 \layout Standard  \layout Standard
 \align center   \align center 
   
 \begin_inset Figure size 476 243  \begin_inset Figure size 422 410
 file mapTwoResources.eps  file creatingANewCourse.eps
 width 3 80  flags 9
 flags 11  
   
 \end_inset   \end_inset 
   
   
 \layout Caption  \layout Caption
   
 Two Resource in the Map Editor  Creating a New Course
 \begin_inset LatexCommand \label{Two Resources in the Map Editor Figure}  \begin_inset LatexCommand \label{Creating a New Course Figure}
   
 \end_inset   \end_inset 
   
   
 \end_float   \end_float 
  You should have something that looks like figure    Courses have a Top-level Map which defines the whole course.
 \begin_inset LatexCommand \ref{Two Resources in the Map Editor Figure}   This top-level map will often itself contain maps corresponding to homework
    assignments or weekly sequences.
 \end_inset    To view your maps, you will need to make them part of a course.
    Only Domain Administrators can make courses and set their Top-level maps,
 , though the exact placement may differ.   so coordinate with your Domain Adminstrator if you need to create courses.
  Now we need to link them together.  
 \layout Enumerate  
   
 Click the Start box.  
  In the secondary window, select   
 \series bold   
 Link Resource  
 \series default   
 .  
  The secondary window will prompt you to click on the resource you want  
  to link it to.  
  Click the first resource you added to the map.  
  A new link is created.  
 \layout Enumerate  
   
 Repeat the last step, linking the first resource to the second resource,  
  and the second resource to   
 \series bold   
 Finish  
 \series default   
 .  
 \layout Enumerate  
   
 Now, in the editor window, click   
 \series bold   
 Save Map  
 \series default   
 .  
  A dialog box will pop up, telling you the map has been saved.  
 \layout Standard  
   
 Now that you   
 \layout Section  \layout Section
   
 Numerical Response  Numerical Response
Line 3030  Numerical Response Line 3014  Numerical Response
   
 \end_inset   \end_inset 
   
  Problems   And Formula Response Questions
 \layout Standard  \layout Standard
   
 Numerical Response problems are very powerful.  Numerical Response problems are very powerful.
Line 3564  very Line 3548  very
 \emph default   \emph default 
  good idea to adopt some sort of commenting standard, especially if you   good idea to adopt some sort of commenting standard, especially if you
  are working in a group or others may use your problems in the future.   are working in a group or others may use your problems in the future.
 \layout Standard  \layout Itemize
   
 One of the simplest statements in LON-CAPA is a   One of the simplest statements in LON-CAPA is a 
 \series bold   \series bold 
Line 3911  View Line 3895  View
 Calling Functions  Calling Functions
 \layout Standard  \layout Standard
   
 Now you've seen how to use variables and stuff, see how to call functions.  With variables, you can store strings or numbers.
    
   \series bold 
   Functions
   \series default 
    allow you to manipulate these strings or numbers.
    By stringing together a series of functions, you can do a lot.
   \layout Standard
   
   
   \series bold 
   Functions
   \series default 
    work like mathematical functions: They take some number of arguments in,
    and return one argument, usually a number or a string for our purposes.
    There are a lot of functions available in LON-CAPA.
    You can see a complete list at http://mileva.lite.msu.edu/loncapadocs/homework/hom
   ework5.html.
    For now, let's just look at some simple examples.
   \layout Standard
   
   \begin_float fig 
   \layout LyX-Code
   
   $a = 3;
   \layout LyX-Code
   
   $b = &sin($a);
   \layout LyX-Code
   
   $c = &pow(3, &floor($a));
   \layout Caption
   
   Some Function Calls
   \begin_inset LatexCommand \label{Some Function Calls Figure}
   
   \end_inset 
   
   
   \end_float 
   In the 
   \series bold 
   Script
   \series default 
    block, function names start with 
   \series bold 
   &
   \series default 
   .
    Some example function calls are shown in figure 
   \begin_inset LatexCommand \ref{Some Function Calls Figure}
   
   \end_inset 
   
   .
    You can see that functions can take either variables, numbers, or the results
    of other function calls as parameters.
    The 
   \family typewriter 
   sin
   \family default 
    function returns the sine of an angle expressed in radians.
    
   \family typewriter 
   pow
   \family default 
    raises the first parameter to the power of the second parameter.
    
   \family typewriter 
   floor
   \family default 
    returns the nearest integer below the parameter, which since 3 is already
    an integer is 3.
 \layout Subsubsection  \layout Subsubsection
   
 Randomization  Randomization
Line 3922  Randomization Line 3978  Randomization
   
 \layout Standard  \layout Standard
   
 One of the most importent functions for LON-CAPA is the RANDOM function.  For LON-CAPA, one of the most importent functions is the 
   \family typewriter 
   random
   \family default 
    function.
    Random takes three parameters, a 
   \emph on 
   lower limit
   \emph default 
   , an 
   \emph on 
   upper limit
   \emph default 
   , and an 
   \emph on 
   interval
   \emph default 
   .
    The 
   \family typewriter 
   random
   \family default 
    function returns a random value between the upper and lower limit, some
    integer number of 
   \emph on 
   interval
   \emph default 
   's away from the lower limit.
    Thus, for example, 
   \family typewriter 
   &rand(1,2,.2)
   \family default 
    might return 1, 1.2, 1.4, 1.6, 1.8, or 2.
    
   \layout Standard
   
   \begin_float fig 
   \layout LyX-Code
   
   $a = &random(1,10,1);
   \layout LyX-Code
   
   $b = &random(-10, -3, 1);
   \layout LyX-Code
   
   $answer = $a+$b;
   \layout Caption
   
   Sample 
   \family typewriter 
   random
   \family default 
    Calls 
   \begin_inset LatexCommand \label{Sample Random Calls figure}
   
   \end_inset 
   
   
   \end_float 
   If you put the script in figure 
   \begin_inset LatexCommand \ref{Sample Random Calls figure}
   
   \end_inset 
   
    into the 
   \series bold 
   Script
   \series default 
    block (replacing whatever contents might be in the block already), you'll
    get two random variables $a and $b.
    Now, in the 
   \series bold 
   Text Block
   \series default 
   , put 
   \begin_inset Quotes eld
   \end_inset 
   
   What is $a plus $b?
   \begin_inset Quotes erd
   \end_inset 
   
   , and in the 
   \series bold 
   Answer
   \series default 
    put 
   \begin_inset Quotes eld
   \end_inset 
   
   $answer
   \begin_inset Quotes erd
   \end_inset 
   
   , without the quotes for either of them.
    (It is a good idea to create a variable to hold the answer and call it
    $answer.
    Do not try to compute the answer in the 
   \series bold 
   Answer
   \series default 
    field itself; it will not work as you expect.) Now save the problem and
    
   \series bold 
   View
   \series default 
    it.
    You'll see a randomized problem.
   \layout Standard
   
   For each student, the same random number will be used each time they visit
    the problem, but each student will get different random numbers.
    For any but the simplest random problems, you'll want to see several random
    problems to make sure everything is working out correctly.
    This is what the 
   \series bold 
   Random Seed
   \begin_inset LatexCommand \index{Random Seed}
   
   \end_inset 
   
   
   \series default 
    field is for.
    To see another randomized version of the problem you've just created, put
    another number into the 
   \series bold 
   Random Seed
   \series default 
    field and hit 
   \series bold 
   Change
   \series default 
   .
    It doesn't really matter what number you put into the field.
    But for any given 
   \series bold 
   Random Seed
   \series default 
    with the same problem, you'll see the same randomized problem generated
    for you.
    (If you change the 
   \series bold 
   Script
   \series default 
   , you are no longer guarenteed to get the same problem.) 
   \layout Standard
   
   If you're doing this as a tutorial, try a few random seeds to see what happens.
 \layout Subsection  \layout Subsection
   
 Dynamic, Randomized Problems: Putting It All Together  Dynamic, Randomized Problems: Putting It All Together
 \layout Standard  \layout Standard
   
 placeholder  Now you have all the tools to create those wonderful dynamic, randomized
    problems that you've seen in LON-CAPA.
   \begin_float fig 
   \layout Standard
   \align center 
   
   \begin_inset Figure size 476 197
   file numericalResponseSlopeProblem.eps
   width 3 80
   flags 9
   
   \end_inset 
   
   
   \layout Caption
   
   Slope Problem Parameters
   \begin_inset LatexCommand \label{Slope Problem Parameters Figure}
   
   \end_inset 
   
   
   \end_float 
    For example, try filling out your problem with the parameters shown in
    figure 
   \begin_inset LatexCommand \ref{Slope Problem Parameters Figure}
   
   \end_inset 
   
   .
    
   \layout Standard
   
   When creating randomized problems, you want to make sure that the problems
    always have an answer! Consider what might happen if I had chosen the two
    slopes 
   \emph on 
   both
   \emph default 
    with the expression 
   \family typewriter 
   &rand(-1,1,.2)
   \family default 
   .
    One out of ten students would get a problem where both slopes were equal,
    which has either no solution (for unequal y-intercepts) or an infinite
    number of solutions (for equal slopes and y-intercepts).
    Both of these cause a division-by-zero error on the division that computes
    the answer.
    There are many ways to avoid this, one of the easiest of which is picking
    one slope negative and one positive.
    This same problem can show up in many other places, too, so be careful.
   \layout Standard
   
   LON-CAPA has functions for several common random distributions; consult
    the function list at http://mileva.lite.msu.edu/loncapadocs/homework/homework5.html
    for a complete list and parameter specification.
   \layout Subsection
   
   Units, Format
   \layout Standard
   
   Numerical Response problems can require units.
    In the problem editting form, place the desired unit in the 
   \series bold 
   Unit
   \series default 
    field.
    For information about what units the system accepts, see http://capa4.lite.msu.edu
   /demolibrary/Links/UnitsSymbolsT2.html.
    The computer will accept the answer in any of its accepted unit formats.
    For example, if the answer to a problem is 
   \begin_inset Quotes eld
   \end_inset 
   
   1ft
   \begin_inset Quotes erd
   \end_inset 
   
   , the computer will accept 
   \begin_inset Quotes eld
   \end_inset 
   
   12in
   \begin_inset Quotes erd
   \end_inset 
   
    as correct.
   \layout Standard
   
   Additionally, you can format the number displayed by the computer as the
    answer.
    For instance, if the answer is one-third, the computer will display that
    it computed 
   \begin_inset Quotes eld
   \end_inset 
   
   .333333333
   \begin_inset Quotes erd
   \end_inset 
   
    as the answer.
    If you'd like to shorten that, you can use the 
   \series bold 
   Format
   \series default 
    field.
    Format strings like 
   \begin_inset Quotes eld
   \end_inset 
   
   2e
   \begin_inset Quotes erd
   \end_inset 
   
    (without the quotes) will display three significant digits in scientific
    notation.
    Format strings like 
   \begin_inset Quotes eld
   \end_inset 
   
   2f
   \begin_inset Quotes erd
   \end_inset 
   
    will display three significant digit in traditional notation.
    You can use any number that you want instead of 
   \begin_inset Quotes eld
   \end_inset 
   
   2
   \begin_inset Quotes erd
   \end_inset 
   
   .
 \layout Subsection  \layout Subsection
   
 For More Information  For More Information
Line 3944  Very often, the easiest way to create a Line 4282  Very often, the easiest way to create a
   
 \series default   \series default 
  The more complicated a problem is, the more time you'll save by doing this.   The more complicated a problem is, the more time you'll save by doing this.
  Also, you may find new ideas you can use and elaborate in your problems.   You may also find new ideas you can use and elaborate on in your problems.
 \layout Comment  \layout Comment
   
 Is there UI for this? Check.  Is there UI for this? Check.
 \layout Standard  \layout Standard
   
 The full power of the Perl is well outside the scope of this document.  The full power of the Perl is well outside the scope of this document.
  Without going into the same level of detail as the previous examples, here's   Looking in the function list at http://mileva.lite.msu.edu/loncapadocs/homework/ho
  some ideas to stimulate your imagination:  mework5.html can give you some ideas.
 \layout Itemize   O'Reilly has some good Perl books.
    The Perl 5 pocket reference will contain more then what you need to know
    to use LON-CAPA, available at http://www.oreilly.com/catalog/perlpr3/ .
   \layout Standard
   
   If you have any problems, consult http://help.loncapa.org/fom/cache/5.html
    .
    If you don't find the answer to your problem, please help us expand the
    FAQ by emailing us your question so we can answer it.
   \layout Standard
   
   Our advanced users often come to prefer the XML interface for the problems,
    available through the 
   \series bold 
   EditXML
   \series default 
    buttons.
    Covering the XML format is beyond the scope of this manual, but you can
    learn a lot by using the editor to make changes and seeing what happens
    to the XML.
   \layout Subsection
   
   Formula Response
   \begin_inset LatexCommand \index{Formula Response}
   
   \end_inset 
   
   
   \begin_inset LatexCommand \label{Formula Response}
   
   \end_inset 
   
 Variable text.   Problems
   \layout Standard
   
   \begin_float fig 
   \layout Standard
   \align center 
   
   \begin_inset Figure size 476 262
   file formulaResponse.eps
   width 3 80
   flags 9
   
   \end_inset 
   
   
   \layout Caption
   
   Formula Response Problem
   \end_float 
   Formula response problems asks the student to type in a formula as an answer.
    If the answer is 
   \begin_inset Formula \( 2x^{2}+4 \)
   \end_inset 
   
   , the student is allowed to type 
   \begin_inset Quotes eld
   \end_inset 
   
   2*x*x+4
   \begin_inset Quotes erd
   \end_inset 
   
   , 
   \begin_inset Quotes eld
   \end_inset 
   
   x*x + x*x + 4
   \begin_inset Quotes erd
   \end_inset 
   
   , 
   \begin_inset Quotes eld
   \end_inset 
   
   2*x^2 + 14 - 10
   \begin_inset Quotes erd
   \end_inset 
   
   , or any other equivalent expression.
    Formula Response problems have many of the same characteristics of Numerical
    Response problems, including the ability to run scripts, dynamically generate
    answers, etc.
     
   \layout Standard
   
   As you may know, it is extremely difficult to determine whether a given
    expression is exactly equal to another expression in general.
    For example, is 
   \begin_inset Formula \( \sin 2x=2\sin x\cos x \)
   \end_inset 
   
   ? Symbolically proving it one way or another is impossible in general.
    Therefore, LON-CAPA uses a sampling system.
    If your answer and the student's answer agree at the sampling points within
    your given tolerance factor, the student's answer will be accepted, otherwise
    it will be rejected.
   \layout Comment
   
   What's up with the x,y@1,2:4,3#2 stuff?
   \layout Standard
   
   Formula Response problems are otherwise virtually identical to Numeric Response
    problems.
   \layout Subsubsection
   
   Sample Point Specifications
   \begin_inset LatexCommand \index{Sample Points}
   
   \end_inset 
   
   
   \layout Standard
   
   To specific the sample points, use the following format:
   \layout Itemize
   
   a comma seperated list of the variables you wish to have sampled,
   \layout Itemize
   
   followed by an @
   \layout Itemize
   
   followed by a comma seperated list of values as long as your list of variables,
    representing the sample points
 \layout Itemize  \layout Itemize
   
 Perl has several other data structures which might be of use.  optionally followed by a semi-colon, and more comma seperated lists as in
  You may wish to do one of the many simple Perl tutorials on the Web.   the previous item.
  I recommend searching Google for   \layout Standard
   
   For 
   \begin_inset Formula \( 2x^{2}+4 \)
   \end_inset 
   
   , with one variable 
 \begin_inset Quotes eld  \begin_inset Quotes eld
 \end_inset   \end_inset 
   
 perl tutorial  x
   \begin_inset Quotes erd
   \end_inset 
   
   , one could specify 
   \begin_inset Quotes eld
   \end_inset 
   
   x@2
   \begin_inset Quotes erd
   \end_inset 
   
    or 
   \begin_inset Quotes eld
   \end_inset 
   
   x@2;3;4;5
 \begin_inset Quotes erd  \begin_inset Quotes erd
 \end_inset   \end_inset 
   
 .  .
 \layout Section   (It is generally a good idea to give a few sample points.) For 
   \begin_inset Formula \( 2y^{3}+2x \)
   \end_inset 
   
 Formula Response  , with two variables, one could specify 
 \begin_inset LatexCommand \index{Formula Response}  \begin_inset Quotes eld
   \end_inset 
   
   x,y@1,2;1,3;2,3;2,2
   \begin_inset Quotes erd
 \end_inset   \end_inset 
   
   .
    
   \layout Subsubsection
   
   Example Formula Response 
   \layout Standard
   
 \begin_inset LatexCommand \label{Formula Response}  A very simple formula response problem: 
   \layout Standard
   
   In the 
   \series bold 
   Script
   \series default 
   , place the following:
   \layout LyX-Code
   
   $slope = random(1,5,.5);
   \layout LyX-Code
   
   $yint  = random(1,5,.5);
   \layout Standard
   
   In the 
   \series bold 
   Text Block
   \series default 
   , place the following: 
   \begin_inset Quotes eld
 \end_inset   \end_inset 
   
  Problems  For a line with slope $slope and y-intercept $yint, what is y equal to?
 \layout Section  \begin_inset Quotes erd
   \end_inset 
   
   
   \layout Standard
   
   In the 
   \series bold 
   Answer
   \series default 
   , place the following: 
   \begin_inset Quotes eld
   \end_inset 
   
   $slope*x + $yint
   \begin_inset Quotes erd
   \end_inset 
   
   
   \layout Standard
   
 Additional Problem Components  Set the Tolerence to 1%.
 \layout Standard  \layout Standard
   
 Using the   Set the 
   \series bold 
   Answer
   \series default 
    to 
 \begin_inset Quotes eld  \begin_inset Quotes eld
 \end_inset   \end_inset 
   
 Insert  $slope * x + $yint
 \begin_inset Quotes erd  \begin_inset Quotes erd
 \end_inset   \end_inset 
   
  menu that appears in many of the problem editors, a wide variety of different  .
  things can be added to the problems.  \layout Standard
   
   Set the 
   \series bold 
   Sample Points
   \series default 
    to x@0,1,2,3 .
 \layout Section  \layout Section
   
 Things That Need To Be Added  Things That Need To Be Added
 \layout Subsection  \layout Subsection
   
 LON-CAPA and Units  
 \layout Subsection  
   
 Creating a default metadata file  Creating a default metadata file
 \layout Subsection  \layout Subsection
   
Line 4013  My questions\SpecialChar \ldots{} Line 4552  My questions\SpecialChar \ldots{}
   
 \layout Itemize  \layout Itemize
   
 How do I do the things above?  
 \layout Itemize  
   
 Is there any pre-existing documentation for number or formula problems?  
 \layout Itemize  
   
 Is there any pre-existing documentation for maps et al? I seem to have exhausted  
  the documentation.  
 \layout Itemize  
   
 What is the LON-CAPA default resource? If it's free, can just anyone   What is the LON-CAPA default resource? If it's free, can just anyone 
 \begin_inset Quotes eld  \begin_inset Quotes eld
 \end_inset   \end_inset 
Line 4041  use it if they already know where it is Line 4570  use it if they already know where it is
   
 ? (In other words, how powerful is the search feature?) What's the difference  ? (In other words, how powerful is the search feature?) What's the difference
  between free and public?   between free and public?
   \layout Itemize
   
   How do I look at a map? (Must be part of course?)
 \layout Section  \layout Section
   
 Appendix A: Student Interface  Appendix A: Student Interface
Removed from v.1.3  
changed lines
  Added in v.1.4

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