IMathAS Change History

Known Issues

SVG not printing in IE (resolved?)
SVG printing problems in FireFox (resolved in FF2.0?)
parens in calcmatrix/matrix expressions failing mathphp preg
Mac FF SVG text not showing
Might be problems if server is set for GMT (no DST)

Version 1.2

Released April 4, 2007

Changed site configuration for general release (r30)
Added checkbox remove from assessment (r24)
Added list forum posts by name page
Added polymakepretty (r23)
Added mass exceptions
Feedback next to grade in student gb
Added comments to offline grades
Added copy instructions from ___ to mass chg assessments
Forum links to internal messaging when allowed (for students) (r19)
Added gradebook and per-assessment comments
Added course avaialability and lock for assessment (r18)
Reworked showtest to be more efficient (r17)
Added icons in Skip Around and Sequential modes
Redesign Gradebook settings layout
Group forums
Check file upload type (no php)
Reworked group assessments
Student-view style list, using averages
no show current grade in gb on noshow setting (r17)
Added hints toggle (r16)
Bug fix: groups (r16)
Forum search (r16)
List libraries in question preview (r16)
Improved mass changes dates (r15)
Bug fix: setting dates from outside server's timezone (r15)
Bug fix: defaults not being used in image-based display (r15)
Added list type answers to number and calculated (r14)
Bug Fix: fixed if conditions not being interpreted (r14)
Added $displayformat="inline" for multiple choice (r14)
Changed color picker (r13)
Added Full Test, Submit one at time display method (r11)
Added AHAH (lazy AJAX) for course page collapsed blocks (r11)
Show answers after last attempt option (skip around only) (r10)
Added support for hints in assessments (r9)
Added ability to being missed attempt penalty after N free attempts (r9)
Added $installname to config.php
Bug Fix: a couple display issues with image display with ansprompt and ne
Per assessment groups
Copy gradebook scheme and course settings in copy items
Alpha order: Copy options from
Clear attempts on single problem (on Add Questions page?)
sort/limit messages by course; show message counts on home page
Added ignore_commas flag in String type
Added new array functions
Restricted Modify Questions page when taken, show on course page
Search term, libraries searched now associated with course
Library counts all users
Order exceptions by alpha
Bug Fix: fixed for acceptance where student error = tolerance
New feedback option: Show no scores
Order items by alpha in gradebbook, and ordering when grouped by category fixed
Order question listing by id (~added to system date)
Preview selected questions
Add keep all on drops, add two textboxes
Question settings, when already added, allow add extra copies
Add copy instructions and copy dates on "copy options from"
Show question category in assessments
Manage Question set layout updated
Help for text editor

Version 1.1

Released Feb 4, 2007

Blocks in blocks, blocks as folders
Students kicked out after due date
Select questions from preview
Gradebook:Added offline grades
Gradebook:Added assign assessments/grades to categories
Gradebook:Added grading scheme
Checkboxs with Email/Msg buttons
Use vertical view for student gradebook
Allow click on "-" in gradebook to insert scores when student hasn't started assessment
put category header color coding
Item analysis: avg number of attempts, preview question button
filter gradebook by category/totals only
Add do not include in grade total option (also "count as extra credit"?)
Click on student's name to just show that student's scores
Option for totals on left
Added show current in gradebook
Link to grades from List Users page
Email gradebook as attachment
Retain user default gbmode settings
List "my" questions only
Require assessment score is over some value to submit / receive credit
List all assessments on a page, allow date changes, settings, etc
Include name (form-letter style) in mass email
Prevent Average row in gradebook from sorting
put "this question is being used" warning in modify question
Added optional section and code number for students
Added section/code in import students
Internal messaging system added (student to/from teacher)
Message from gradebook view of assessment
Replaced reset pw link in List users with change info link
Mass chg assessments: allow selection of options to change
Turn messaging in course off
bar at top - customizable
Forums: Restrict student viewing of thread responses
Forums: Condensed thread view, expand/collapse all
Forums: link to email for teachers
Forum: show collapsed by default option
Forum: disallow modify
Forum: disallow delete (set up, but not implemented)
Forum: reply by dates for replies, post by dates new threads
Forum: Email notification
Manage qset link on home page
Improve search - add search all and handle multiple search terms
set color of blocks
Convert math/graph to images when sending email
allow multiple answerformat for calculated type
check for 10^-5, 314E-3 on nodecimal type for calculated
add makeprettydisp as default showanswer for numfunc
Added mark question for use box in question preview
Added Show message you're replying to in forum response
Fixed quotes in block titles problem
Add assessment description to testquestion page
Add __ attempts of ___ remaining
Added Assessment password option
Added reattempts different versions option
Extended student view
Added uncheck all in library selection (libtree2)
Listing multiple libraries - put library names as headers
Confirmation popup on remove from assessment
$variable as alias for $variables
Add multiple copies of question to assessment
copy block color from other
Added unmatched parens notice to calculated and numfunc
Added password reset
Show points on add question page
Bug Fix: problems with sorting of gradebook
Bug fix: Strip   out on gb export
Bug Fix: disappearing linked text files
Bug Fix: delete forum views on course delete
Bug Fix: Multiple Answer Lastanswer problem
Bug Fix: Unassigned showing everyone's questions on Add Questions page

Version 1.0

Released Dec 6, 2006

Added nodecimals answerformat to calculated type
Added file attachement to inline text items
Added per-course icon settings
Improved delete linkedtext files on remove
Changed upload limit to 3MB
Added available always/ available now options
Added toggle to student view w/ time adjustment
Added hide title/icon to inlinetext
Added submit without regen button to preview question
Added percent total to gradebook
Added static image support to question writing
Changed wording for practice tests from "due" to "available until"
Added Expanded/Collapsed option for blocks
Added better syntax error warnings
Added allowuneroll and course copyrights options
New option: delete all items in block on delete
Added all students same first version option
Bug Fix: assessment total with grouped questions
Bug Fix: delete linkedtext files on course delete
Bug Fix: added catch-it for empty assessment
Bug Fix: fixed problem with categorization showing blank categories

1.0RC1

Released Nov 5, 2006

Upgrade notes: See upgrade.txt

Changed breadcrumbs to show course name
Changed Practice Test behavior to not regenerate on entry
Improved CSS
Reduced file size by 75% for popup library selector
Updated date/time handling for instructor timezone
Added penalty on last attempt only option
Added "keep best score", and allow homework to remain open for review after due date
Added force image-based display options
Improved messages when test reaccessed after partial completion
Similar problem added to full test at once, and now working in One at a Time mode.
Added Create assessment using questions from other assessments
Improved admin page for full and group admins
Added Mass change assessment settings
Added append to title and Add to block in copy course items
Time input relaxed to allow 4pm instead of requiring 4:00pm
Changed add assessment to settings are hidden when "copy settings from" is selected
Updated gradebook to order by due date, and hide not yet available assessments from student's gradebook
Added question categorization to course item export/import
Slopefield and start/end marker to ASplot support added to image backup
Added inequalities graphing macro library
Added header lock for IE in gradebook
Bug Fix: DST handling
Bug Fix: Math filter failing when newlines inside backticks
Bug Fix: Some browsers (ie Safari) not correctly sniffed
Bug Fix: Clarified Regen option when current attempts used
Bug Fix: Regen problems with One at a time mode
Bug Fix: New threads and replies no longer appear unread by poster
Bug Fix: Fixed square brackets being not recognized in student answer (still not allowed in instructor answer)
Bug Fix: fixed NaN recognition. negative^(decimal power) now always returns NaN and is skipped, unless power is 1/[3-49]
Bug Fix: Problem with multipart questions in "Show full test" mode
Bug Fix: Rights setting not showing on template
Bug Fix: Parens in calcmatrix problem resolved clientside
Bug Fix: Error with two variables entered side-by-side without explicit multiplication clientside
Bug Fix: Control panels floats drifting
Bug Fix: Consecutive not hitting last value in some cases
Bug Fix: Fixed handling of single quotes inside showasciisvg string
Bug Fix: showplot not hitting right endpoint of domain
Bug Fix: e problem in showplot
Bug Fix: Unenroll problem

1.0beta16

Released Sept 28, 2006

Upgrade notes: See upgrade.txt

Added printtest - print version
Added diagnostic setup for group admins and admins
Security Fix: lastanswer not properly slashed
Bug Fix: Fixed issues with initPicture(2+3,5) in fallback
Bug Fix: graph fallback not showing dots on early GD versions
Bug Fix: DNE now case insensitive
Bug Fix: Gradebook no longer shows IP for past-due assessments
Bug Fix: - sign issues in math tex filter
Bug Fix: Linked text item attaching file giving header error

1.0beta15

Released Sept 12, 2006

Upgrade notes: See upgrade.txt

Added math and graph image fallback support!
Added mixed number answertype to calculated
Added essay type questions
Added point exclusions in showplot
Improved login with browser setting warning
Added print layout for generating hard copies
All question attempts are logged and displayed in instructor's gradebook detail view
Fixed group admin functions to be MySQL 3.23 compatible
Added preview library off manage libraries page
Bug Fix: Template not maintaining library list for non-owner questions
Bug Fix: If domain in numfunc isn't a subset of actual domain, answer evals as incorrect
Ignore commas in number and calculated types

1.0beta14

Released Aug 05, 2006

Upgrade notes: See upgrade.txt

Added Shift Course Dates
Added checkboxes in List Students page for unenroll and mass email
Added Copy Course Items
Added categorization to assessments, allowing categorical score breakdown.
Added item analysis to gradebook
Removed CourseCreator rights level
Implemented Group admins
Implemented Group library rights
Simplified dbsetup.php install
Bug Fix: Updated "assessment taken" warning to only warn if students have taken the assessment
Bug Fix: 2-box entry mode not retaining after save and test
Bug Fix: questions not graded correctly in preview mode
Bug Fix: $a,$b=... causing problems when $a,$b shows up later in line
Bug Fix: import course items causing error when no assessments in import
Bug Fix: inlinetext graphs not displaying

1.0beta13

Released July 8, 2006

Upgrade notes: See upgrade.txt

Moved all session data into the database, eliminating the need for the session save path fix for server farms, and resolving the PHP 24 minute inactivity garbage collection default without requiring a separate session save path
Added javascript confirm when submitting incomplete question (may have accessibility issues)
Added 2-box entry option in question writing; added resize widgets to entry boxes
Added mass email tool off List Students
Bug Fix: showanswer after duedate not looking for due date exceptions
Bug Fix: dbsetup not updated in last release
Bug Fix: import and importlib not assigning library item owners

1.0beta12

Released June 14, 2006

Upgrade notes: See upgrade.txt

Added multipart grade updating to gradebook
Added addlabel macro for adding a label to a plot
Added separate xgrid/ygrid option to showplot
Added sec,csc,cot
Allow add to library for nonowners, to allow reclassification of questions, with added ownerid to limit removal
Added view source (and set libraries) option in question set management and add questions
Added Spacecurve to plot3d library - needs rework into java class
Improvements to makepretty
Removed $q, $k, and $qn from disallowed variables
Automatic run of $answer in numfunc type through makepretty
Added "notrig" answerformat option to calculated type
Improved handling of nonowner adding questions to a library
Fixed handling of EndScore tests - gradebook detail access now controlled by showanswer setting
Added password setting to import students
Bug fix: arctrig functions now display correctly in preview
Bug fix: $a1^2 now working OK
Bug fix: 4^.5 now working OK
Bug fix: 1* handling in makepretty interfering with eval of sin^-1. Still causing problems with display of sin^-1, so 1* in makepretty has been temporary disabled until a better resolution can be found.
Bug Fix: problems with variables that show up in expressions (like variable r with sqrt). Mostly fixed
Bug Fix: multiletter vars returning syntax error by AMhelpers
Bug Fix: private libs not showing up in library selector
Bug Fix: assessments showing IP even after finalizing
Bug Fix: importstu for teachers not enrolling students
Bug Fix: save and test question error for nonadmins
Bug Fix: error in interpreter allowing while () { } statements
Bug Fix: $e misinterpreted as exponential
Bug Fix: Tablesorter not working
Bug Fix: multipart containing numfunc types problem
Bug Fix: showanswer problems
Bug Fix: template allowed placement into closed/private libraries
Bug Fix: question settings not importing on importitems

1.0beta11

Released April 17, 2006

Upgrade notes: See upgrade.txt. No changes.

New/Fixed in 1.0beta11:

Added Course Item export/import
Added "Homework" assessment type, similar to practice tests, but graded and doesn't regen on entry.
Added "Try similar question" option in Skip-around practice tests. Resets attempts on that question
Added $answerformat = "equation" to numfunc type
Added "Copy Options from existing" option to assessment settings
Bug Fix: svg axes labels not showing in Mac FireFox
Bug Fix: forum giving error on MySQL 4, and not counting pages correctly
Bug Fix: time limit showing huge, wrong numbers
Bug Fix: variable interpolation problem in matrix type
Bug Fix: showasciisvg not working (semicolon problem) - need better fix
Bug Fix: matrix type losing negative signs
Bug Fix: multipart not adding to 100% possible
Bug Fix: error in import
Bug Fix: scoremethod in multans type
Bug Fix: gcd errors
Bug Fix: am/pm error on 12:xx
Bug Fix: scientific notation problems

1.0beta10

Released March 29, 2006

Upgrade notes: See upgrade.txt

New/Fixed in 1.0beta10:

Added Accessibility options
Cleaned up front page layout
Added support for guest accounts
Added Unique questionset and library ids, allowing updating of question/libraries on import
Added AddDate and LastModDate to questionset and libraries for enhanced update control
Added Group Question option in assessments
Added Import Students from File option off admin page and List Users page
Added lastaccess field to users database, with Delete Old Users admin option
Added $noshuffle option to matching, multiple-choice, and multiple-answer types
Fixed forum cleanup on course delete/unenroll all students
Bug Fix: rrand not stepping. rrand(-5,5,2) now correctly will return -5,-3,-1,1,3,or 5
Bug Fix: disappearing + signs in question text
Bug Fix: remove from assessment was removing from libraries
Bug Fix: items not deleting properly
Bug Fix: fixed inefficient diffrands
Misc other bug fixes

1.0beta9

Released March 5, 2006

Upgrade notes: See upgrade.txt

New/Fixed in 1.0beta9:

Security Fix: SQL attack was possible with malformed id numbers. All numbers are now quoted.
Added simple discussion forums
Added String question type
Changed from server-based timezone settings to autodetecting user's local timezone. Dates are still absolute-time-fixed; if you set a due date to be 9pm EST, someone in PST would see it being due at 6pm PST.
Added full show answer support
Added CSV export to gradebook
Added display of multipart correct answer points (pts per part). Reattempt penalty still affects all parts
Added: choices: $displayformat = "select" option (won't render MathML)
Added: number/calc number: $answer = "4 or 5", $answer = "[3,5) or (6,8]"
Improved matching type to allow one-to-many matching
Improved clear assessment handling/notification
Improved blocks so they don't close on reorder
Improved HTML editor loading behavior
Bug Fix: problems with editing/displaying with html entities
Bug Fix: export lib when child is checked problem
Bug Fix: Add/Template allowing adding into closed libraries
Bug Fix: Students couldn't reenter test when more attempts allowed if all questions answered
Bug Fix: Error (student page) on empty block
Bug Fix: calcmatrix w/ answersize not showing pre-calculated matrix
Bug Fix: oo and DNE not evaluating correctly in calculated

1.0beta8

Released Feb 16, 2006

Upgrade notes: Moved to upgrade.txt file

New/Fixed in 1.0beta8:

Major revamp of library system - now tree structured.
Added blocks in course page (cookie on rearrange needs more elegant solution)
Added library tree import/export; needs polishing (selection system)
Added author field to questions (autofills)
Added super-basic "show correct answer" support for practice tests - needs rework
Added tutor/ta/proctor user rights
Included work on alternative front-end for placement testing (not documented yet)
Added Use as Template option to manageqset
Added calconarray macro
Bug Fix: answers evaluating wrong when randomizer in question control
Bug Fix: make exception not working
Bug Fix: fraction/reduced fraction not accepting integers. Changed box tip for fraction/reducedfraction formats
Bug Fix: showplot not returning to defaults
Bug Fix: requiretimes not working
Bug Fix: Showplots causing errors. Caused by error in interpreter
Bug Fix: Errors when clicking "do to selected" buttons when nothing selected
Bug Fix: variables not defaulting to "x"
Bug Fix: Less than and greater than signs not displaying right in question descriptions
Bug Partial Fix: less than / greater than not displaying right in question text. System can now usually identify what is not part of an HTML tag, but something like: "x<4 and x>3" is still misinterpreted. Use of < and > recommended in these cases
Bug Fix: Gradebook including practice test in grade
Bug Fix: Gradebook showing grades for people who haven't taken the test

1.0beta7

Released Feb 2, 2006
Upgrade notes:

No Database or config.php changes.

New in 1.0beta7:

Added jointrandfrom macro
Added student gradebook
Bug Fix: pm dates changing to am dates
Bug Fix: assessment summary not saved on new assessment
Bug Fix: math not parsed when using a extension macro functions
Bug Fix: students could enroll in a course twice
Bug Fix: gradebook severely broken

1.0beta6b

Released Jan 22, 2006
Bug fix update to 1.0beta6. Fixes major error where sin,cos,etc. were not being allowed in calculations.

1.0beta6

Released Jan 21, 2006
Upgrade notes:

Database setup has not changed.
Config.php has changed - added $TZ option and code to set Timezone

New in 1.0beta6:

Added horizshowarrays macro
Added DOCTYPE headers. Adjusted CSS for assessments.
Added setting for server timezone (to adjust for servers set for GMT or hosted in a different timezone)
Bug fix: Couldn't edit SVG graphs in text items using FireFox.
Bug fix: Path of config.php not determined properly on some servers
Bug fix: Added type="image/svg+xml" to ASCIIsvg embeds
Bug fix: calcmatrix preview not showing in FireFox
Bug fix: width/height on showasciisvg
Bug fix: table sorting in FireFox
Bug fix: add item in FireFox

New in 1.0beta5

Released Jan 16, 2006

Name change! Expanded name from IMAS to IMathAS for clarity
Added newuser email confirmation option
Add brief ASCIIMath description to help file
$answeights on multipart type
Added $answerboxsize option
Added $hidepreview option
Added arbitrary precision (real number) randomizers
Changed diffrand to diffrands and randFrom to randfrom to standardize randomizers
Added calclisttoarray and listtoarray macros
Added $answerformat = "fraction", "reducedfraction" to calculated type
Added support for DNE and Infinity to number and calculated types
Added sortarray and consecutive macros
Made makepretty array capable
Cleaned up top half of addquestions
Added width and height to showplot
Moved CalendarPopup into javascript dir
Login format regex
Updated help documentation
misc bug fixes

New in 1.0beta4

Released Jan 11, 2006

Question numbering starts at 1 for display
Current question is highlighted in Skip Around
allow positioning of answer prompt in qtext
multipart questions - point values, correct/wrong for parts
replace $choice with $questions
transfer course ownership option
misc bug fixes

New in 1.0beta3

Released Jan 8, 2006

Added question library system
Help file
Added owner and userights to questionset:
0-private, 1-use/noderive/nomodify(notImplemented) ,2-use/derive/nomodify(Def), 3-use/modify
abstolerance option for number/calc/numfunc/matrix types
$answer="[2,5)" range option for number/calc types
Clear attempt link in GB detail
Auto-create new macro help on install
manageqset setup for teacher use or admin use
Added group transfer/remove to manageqset
Fixed quotes handling on search
import/export for all teachers
Added Limited Course Creator rights

New in 1.0beta2

Released Jan 3, 2006

new matrix and calcmatrix types
new multiple-answer type
display of ansprompt fixed
deladmin improved
newadmin check for existing (chg rights)
change user settings (email, etc)
if conditional fixed
Separated macros into separate file
new macros: showarrays, showasciisvg
removed requireformat - expanded requiretimes
x variable fixed to not mess with exp
macro libraries can be loaded in questions
mathphp/mathjs standardized to use arctrig rather than atrig
Added macro installer
Expanded showplot macro
Added in progress designator to gradebook
Misc bug fixes

New in 1.0beta1

Released Jan 1, 2006

Add summary to assessment
implement penalty
add inlinetext type
add "use as template" to addquestions
delete assessment
change time entry
deep course delete
retain search param in addquestions
Add itemorder to assessment
Add shuffle option to assessment
adjust itemorder in course and assessment
Add unenroll for students
add linkedtext types
check slashes on newuser POST
use safepow
write problem interpreter
completed time for assessment sessions
config file with username requirement
breadcrumbs
Add teacher controls - list users
implement timelimit in grades - override timelimit
exceptions for due dates
record given answers
save option on assessments - fulltest only (not needed on others)
gradebook - detailed view override grades
delete/mod from dataset for admins
use calendar popup
form validation
if to interpret
have addassessment send you to addquestions on new
new/modify headings in add..
button confirm on delete item
fix $points
multiletter variables - don't quote single letter variables
dataset export/import
add use htmlarea
add email to newadmin