Infinite Algebra 1 Updates

Included in version 2.80.01 released 7/12/2024:

Fixed: [Windows] - Superfluous log files created under certain conditions

Included in version 2.80 released 6/12/2024:

Improved: Faster, more reliable backend
Improved: Licensee name displayed
Improved: Use HTTPS for all links
Fixed: Systems of Equations Word Problems - Typo

Included in version 2.70.06 released 1/5/2023:

Fixed: Choices could appear incorrectly

Included in version 2.70 released 7/8/2022:

New: Add preferences for Metric/Imperial units
New: Add preference to “Prefer x“ as the variable letter
New topic: Discrete Relations
New topic: Continuous Relations
New topic: Evaluating and Graphing Functions
New topic: Direct and Inverse Variation
Improved: UI, security, and stability with updated libraries
Fixed: Writing Scientific Notation - Choices could be equivalent
Fixed: Operations in Scientific Notation - Choices could be equivalent
Fixed: Addition and Subtraction in Scientific Notation - Choices could be equivalent

Included in version 2.62 released 2/8/2022:

New: Print questions from Presentation View
New Topic: Discrete Exponential Growth and Decay Word Problems
New Topic: Scientific Notation Add/Subtract
Improved: UI, security, and stability with updated framework and libraries
Improved: [Mac] Dark mode
Fixed: [Windows] - Detached topic list does not close when application is closed

Included in version 2.61.03 released 9/10/2021:

Improved: Minor UI improvements
Fixed: [Windows] Unable to change page layout to landscape
Fixed: [Windows] Error 'Unable to load platform plugin'

Included in version 2.61 released 8/27/2021:

Fixed: Preferences page for Kuta Works
Improved: Security and stability with updated networking libraries

Included in version 2.60 released 8/19/2021:

Improved: UI, security, and stability with updated framework and libraries
Improved: Site licenses check expiration date more frequently

Included in version 2.52 released 6/14/2019:

New: Scramble questions by directions
New: Scramble all questions in assignment
New: Consolidate question sets with identical options
New: Regroup question sets by directions
New: Kuta Works - Create a two semester course
New: Kuta Works - Clone assignments from a previous course into a new one
Fixed: Presentation View - Arrow keys could change zoom at start/end of assignment
Fixed: Tight Layout - Directions could be cramped for no reason
Fixed: Inverse Trig - Angles limited for tan(x)
Fixed: Inverse Trig - Errors in UI logic

Included in version 2.50 released 4/12/2019:

New: Kuta Works - Option to hide answers and results from students until after due date
New: Kuta Works - Option to control how long choices are hidden
Improved: Options windows appear at a better initial size
Improved: Window controls shown at their native size and spacing
Improved: Network proxy configuration window
Improved: License activation process
Fixed: Presentation View - Answers could be cut off
Fixed: Some window controls cut off on Windows 10 with display scaling
Fixed: Spelling errors
Fixed: Kuta Works - Course list could display more than just your active courses
Fixed: Writing Scientific Notation - Possible to have duplicate choices

Included in version 2.42 released 12/11/2018:

Fixed: Certain symbols incorrect if saved on Mac and loaded on Windows or vice versa

Included in version 2.41 released 9/26/2018:

Fixed: Archived courses in Kuta Works are now hidden
Fixed: Generating or regenerating questions could cause a crash

Included in version 2.40 released 8/8/2018:

New: Integrated with Kuta Works. Now post assignments online.

Included in version 2.25 released 4/27/2018:

Improved: Generate questions more quickly
Improved: Measurement arrows reach correct endpoints
Improved: Added Evaluating Expressions to topic list in index order
Improved: Absolute Value Equations - Better decimal numbers
Improved: Absolute Value Inequalities - Better decimal numbers
Improved: Compound Inequalities - Better decimal numbers
Improved: The Distance Formula - Avoid numbers that are too big
Improved: Dividing Rational Numbers - Better decimal numbers
Improved: Multi-Step Equations - Better decimal numbers and more predictable special cases
Improved: Multi-Step Inequalities - Better decimal numbers
Improved: One-Step Equations - Better decimal numbers
Improved: One-Step Inequalities - Better decimal numbers
Improved: Two-Step Equations - Better decimal numbers
Improved: Two-Step Inequalities - Better decimal numbers
Improved: Order of Operations - Better decimal numbers
Fixed: Trig units for piecewise functions and ordered pairs
Fixed: Literal Equations - Multiple negative signs could lead to equivalent answers

Included in version 2.18 released 7/31/2017:

Fixed: Open circles on graphs were filled in when displayed as answer in red
Fixed: Typo in sample custom question

Included in version 2.17 released 4/27/2017:

Improved: [Windows] "Export to clipboard as bitmap" renders image with better quality
Fixed: Center and Spread of Data - Fixed typo

Included in version 2.16.20 released 11/16/2016:

Fixed: Graphing Quadratic Inequalities only listed in index order

Included in version 2.16 released 9/16/2016:

Fixed: Solving Proportions - Answer occasionally rounded incorrectly
Fixed: Numbers with many significant digits could round incorrectly
Fixed: Customized question containing an error could not be modified
Fixed: Customized question containing an error could cause a crash
Fixed: Feedback tool detects Windows 10 properly
Fixed: Mouse cursor when drag-dropping a question
Fixed: Keyboard shortcut for changing order of question sets in assignment

Included in version 2.15 released 7/14/2016:

New Topic: Literal Equations
Improved: Reorder question sets by dragging and dropping
Improved: Move individual questions within a set by dragging and dropping
Improved: Presentation View - Commands now on a movable, dockable toolbar
Improved: Added option for large toolbar icons
Improved: New icons
Fixed: Certain options could result in double parenthesis or parenthesis around a negative sign
Fixed: Arrow over vector variable name not red when appropriate
Fixed: Solving Systems of Equations by Graphing - Answer could be displayed twice

Included in version 2.11 released 5/13/2016:

Improved: [Windows] "Export to clipboard as bitmap" pastes into Microsoft Word at appropriate DPI
Fixed: Keyboard shortcut for adding space to question set

Included in version 2.10 released 5/11/2016:

New: Preference for including "None of the above" as a choice
New: One column layout
New: Added support for Infinite Precalculus
New: Easily add piecewise functions of graphs in custom questions: Example: piecewise([2x-3] if [x<5], [x-1] if [x >= 5])
New: Easily add functions with restricted domains to graphs in custom questions Example: function(x/2, x<0)
Improved: More efficient layout of choices
Improved: [Mac] Added option for legal paper in page setup
Fixed: Spelling and grammatical errors
Fixed: Graphing Quadratic Functions - Prevent equivalent choices
Fixed: Number Sets - Could accidentally create rational number instead of irrational
Fixed: Solving Proportions - Question could be an identity
Note: Older versions will not be able to open assignments saved with this version

Included in version 2.06 released 8/3/2015:

Improved: Additional scenarios for statistics
Fixed: Crash when saving if previously used folder no longer exists

Included in version 2.05 released 7/20/2015:

New Topic: Applying Statistical Models
New Topic: Scatter Plots
Fixed: Presentation View - Displayed wrong directions in 3-up mode
Fixed: Presentation View - Lines too long after creating new problems
Fixed: [Windows] Uncommon error when using the network

Included in version 2.04.40 released 3/31/2015:

Fixed: Activation data unrecognized under special circumstances
Fixed: [Windows] Help files broken by previous release

Included in version 2.04.20 released 3/23/2015:

Improved: [Windows] "Export to clipboard as bitmap" uses a transparent background

Included in version 2.04 released 3/17/2015:

New Topic: Visualizing Data
New Topic: Center and Spread of Data
Improved: Better support for proxies
Improved: Support for HiDPI Mac Retina displays
Improved: Print options window - Some settings are now persistent
Improved: Presentation View - Use arrow keys to navigate between questions
Improved: Question set updates free response/multiple-choice when all questions have changed
Improved: [Mac] Activation also checks /Library/Preferences/ks-config.txt for serial numbers
Fixed: [Windows] Crash when printing with certain printers
Fixed: Crash when loading an assignment with over 80 custom questions
Fixed: Custom question answer was never choice A
Fixed: Paper size set before printing
Fixed: Radical Equations - Radio buttons backwards

Included in version 2.03 released 9/19/2014:

Fixed: Preference for question layout mode not correctly loaded
Fixed: Issues with automatic spacing and highlighting questions when using tight layout
Fixed: In Presentation View, graphing problems display choices more compactly
Fixed: Printing blank pages on HP LaserJet 1018, 1020, and 1022 among others

Included in version 2.02 released 8/5/2014:

New: Software uses system proxy when necessary
Improved: Activation window has taskbar entry
Improved: Remembers the last directory used when saving and opening files
Fixed: [Windows only] Possible crash when loading an assignment with a lot of custom questions
Fixed: [Mac only] Application stops responding to hover events
Fixed: Activation from before v2.0 sometimes not recognized
Fixed: Export to clipboard sometimes cuts off choices B and D
Fixed: Help contents could become unusable
Fixed: Word wrap when modifying a question
Fixed: Memory leak

Included in version 2.01 released 7/28/2014:

Fixed: Could crash when opening an assignment from a different program

Included in version 2.00 released 7/23/2014:

New: Print to PDF
New: Filter for topic list
New: Zoom while viewing on screen
New: "More like these" button in presentation mode
New: Show where punch holes will go on the page
New: Print only an answer sheet
New: When printing, page range is enabled
New: Page elements are outlined when hovered
New: Double-click on directions to change them
New: When merging assignments, options to put similar topics together or put them end-to-end
New: Highlight and go to the questions in a question set (menu command or shift-click)
New: Site licenses can be activated per-machine if run by the administrator
New: Select multiple questions at a time:
- Ctrl-Click on a question
- Shift-Click on a question
- Ctrl-Shift-Click on a question
- Shift-Click in a empty area of a page
- Ctrl-Shift-Click in a empty area of a page
- Shift-Click on a question set
- Ctrl-Shift-Click on a question set
Improved: Assignment files are drastically smaller
Improved: Sidebar is dockable on either side, can be floated, and position reset
Improved: Auto-spacing doesn't leave dead space at bottom of each page
Improved: Preview when editing directions
Improved: Keyboard shortcuts work no matter where the focus is
Improved: Scale number of questions window more user-friendly
Fixed: Minor bugs in four topics
Note: Older versions will not be able to open assignments saved with this version

Included in version 1.56 released 8/14/2013:

Fixed: Factoring Quadratic Expressions - Minor UI issue
Fixed: Properties of Exponents - Could generate an incorrect answer
Fixed: Systems of Equations by Elimination - "No solution" occasionally should have been "Infinite solutions"

Included in version 1.55 released 12/11/2012:

New: Graphs can be added to custom questions
Improved: Graphing and Graph Paper utility more powerful and easier to use
Improved: Support for loading files from Infinite Calculus
Improved: Faster save/load
Fixed: Answer for Factoring Quadratic Expressions sometimes incorrect
Fixed: Custom questions with an illegal expression could freeze the program
Fixed: Certain families of functions graphed incorrectly
Note: Older versions will not be able to open assignments saved with this version

Included in version 1.53 released 9/11/2012:

New: Preference for notation for greatest integer function
New: Added maximize/restore button to Presentation View
Improved: Help files
Improved: Scroll bars
Improved: User interface
Improved: When choices make a question too tall for a page, some choices are removed
Improved: Algebraic simplification routines are now more efficient
Improved: Better graphs for: Graphing Absolute Value Equations, Graphing Linear Equations, Graphing Systems of Equations, Graphing Exponential Functions, Graphing Quadratic Functions, Graphing Linear Inequalities, Graphing Systems of Linear Inequalities, Finding Slope
Improved: Better number lines for: Graphing Inequalities, One-Step Inequalities, Two-Step Inequalities, Multi-Step Inequalities, Compound Inequalities, Absolute Value Inequalities
Fixed: Wrapping to full-page and half-page could be too wide
Fixed: Able to graph certain families of functions
Fixed: Issue involving loading & regenerating an assignment and answers being hidden
Fixed: Program could ask about changing directions too much
Fixed: Graphs for Compound Inequalities could omit interval
Fixed: Graphing Exponential Functions could freeze
Fixed: Writing Linear Equations: Answer can't be line given in question

Included in version 1.52 released 5/29/2012:

Improved: More professional radical signs
Improved: Graphs of discontinuous functions have breaks and open / closed holes
Improved: Even less likely to crash when generating questions
Fixed: Word wrapping could skip blank lines, not wrap where appropriate
Fixed: Wrapping to full page in a custom question was too wide
Fixed: Products of powers of e (like 2e³) no longer display with a multiplication dot
Fixed: Most diagrams appeared incorrectly in print preview
Fixed: Random error message on save or load

Included in version 1.51.02 released on 4/9/2012:

Fixed: Minimum Windows version was set incorrectly

Included in version 1.51 released 4/5/2012:

New: Added greatest integer function / floor function to custom questions Example: Find [int(2x)] when [x=3/5]
New: Added piecewise functions to custom questions Example: [eval(f,x)] = [piecewise [x] if [x < 0], [xx] if [x >= 0]]
Improved: Faster! Optimized rendering of questions to screen
Improved: Faster! Optimized graphing routines
Improved: Improved graphing capabilities
Improved: Diagrams drawn more smoothly on screen
Fixed: Factoring Quadratics - "Unfactorable" expressions were sometimes factorable
Fixed: Graphs could omit holes
Fixed: Graphs of constant functions or those involving e and π could be incorrect
Fixed: Minor indentation issue in custom questions
Fixed: Horizontal asymptotes could be drawn beyond a graph's area
Note: Older versions will not be able to open assignments saved with this version

Included in version 1.50 released 3/15/2012:

New: Presentation View window is resizeable
New: Presentation View has option to automatically hide the answers when a new question is displayed
New: High-level filter to prevent questions from containing an illegal expression
Improved: Faster! Optimized the simplification of mathematical expressions
Improved: Faster! Improved undo/redo algorithm
Improved: Smaller executable size
Improved: "Current Question Sets" list easier to use
Improved: Options windows resize more smoothly
Fixed: Systems of Equations Word Problems could freeze
Fixed: Punctuation in some word problems
Fixed: Certain expressions in a custom question would cause the software to crash
Fixed: Expressions like root × term would not print a multiplication dot
Note: Beginning with this version, Windows XP SP3 is the minimum required version of Windows
Note: Older versions will not be able to open assignments saved with this version

Included in version 1.45 released 4/12/2011:

New: Assignments from this program can be opened and modified by our other programs (Assignments saved with v1.45 or greater can be opened by other programs v1.45 or greater)
New: Student data fields (name, date, period) can be renamed
New: Additional student data field available
New: Add & Continue is available when modifying an existing question set
New: Link to this details page when a software update is available
New: Product serial numbers can be placed in config.txt to facilitate enterprise installations
Improved: Better backwards- and future-compatibility
Fixed: Add & Continue respects change in problem type
Fixed: Assignments with quotes in the title don't prevent Save As
Fixed: Quotients could be sometimes be simplified incorrectly
Fixed: Multi-Step Equations: Program could freeze
Fixed: Properties of Exponents, numeric expressions: Program could freeze
Fixed: Two-Step Equations no longer allows denominators of 1
Fixed: Two-Step Inequalities no longer allows denominators of 1
Fixed: Dividing Radical Expressions: Program could freeze
Fixed: Writing Linear Equations: Answer can't be line given in question
Fixed: Powers of i are correctly displayed

Included in version 1.42 released on 6/28/2010:

New: Automatically checks for updates
New: List topics by index order or suggested order
New Topic: The Discriminant

Included in version 1.40 released 2/8/2010:

New Preference: 'Spacious' or 'tight' layout of questions on page
Improved: Question sets with one question are more intelligently spaced
Improved: Topic Sets of Numbers now explains N, W, Z, Q, R, and I
Improved: Graphs with small ranges now look better
Improved: Options screen now resizeable
Fixed: Directions occasionally orphaned at bottom of page
Fixed: Correct numbers changed because zeros at the end of a number were deleted (50 --> 5)

Included in version 1.38.20 released 5/22/2009:

Changed: Minor change to license agreement so that renewals extend the termination dateinstead of beginning a new term.

Included in version 1.38 released 4/10/2009:

New: Possible to change directions for a set without regenerating questions
Improved: Help files
Improved: Changing directions cascades changes to appropriate neighbors
Correction: Answers to Properties of Exponents could have wrong sign
Correction: Inequalities were sometimes solved incorrectly
Fixed: Software sometimes failed to renumber questions in assignment

Included in version 1.37 released 1/6/2009:

New Topic: Factoring out the GCF
Fixed: Software crashes when starting if closed when side panel is minimized

Included in version 1.35 released 11/13/2008:

Improved: Isolate up to four questions on screen at once
Improved: Support for computers with multiple processors
Improved: User interface: Toolbar + Preferences
Fixed: Obscure error involving selecting a question and scaling the assignment

Included in version 1.32 released 10/1/2008:

New: Export individual questions as bitmaps
Improved: Custom questions wrap to whole/half page
Improved: Insert special symbols and math in custom questions
Improved: Insert 'blanks' into math text
Improved: Line thickness preference also now controls darkness of grid lines in graphs
Fixed: Internet calls would sometimes report wrong error

Included in version 1.30 released 7/30/2008:

New: Add & Continue button
New: Undo / redo
New: Alternate wide screen layout
Improved: Can manually enter compound inequalities
Improved: Can manually enter all Greek letters, including pi and theta
Improved: Better at reaching the theoretical number of possible questions
Improved: More professional-looking assignments

Included in version 1.20 released 9/2/2007:

New: Single-question display for teaching with LCD projectors and other display systems
New: Custom questions can contain math-formatted text
New: Manually modify questions that have been automatically generated
New: Check for and download future updates from within Infinite Algebra 1
New Topic: Graphing exponential functions
New Topic: Mixture word problems
New Topic: Distance-rate-time word problems
New Topic: Work word problems
New Topic: Systems of equations word problems
New Topic: Finding trig. ratios
New Topic: Finding angles using trigonometry
New Topic: Finding missing sides using trigonometry
New option: Adding/subtracting polynomials: maximum degree can be 2
New option: Distance formula questions: given a line segment on a graph
New option: Graphing quadratic functions & inequalities: given transformational form
New option: Custom questions can now have separate directions
Correction: Right edge of bounding box of logarithms correctly calculated
Correction: Certain answers are now rounded off instead of truncated
Correction: Custom directions are now word-wrapped instead of running off of page
Correction: Order of operations topic printed extra parentheses under certain conditions
Fixed: Program crashed when loading an assignment with a question set with zero questions