Version history of Lagrange (newest first):

Version  2.6.1  (March, 29. 2021)
NEW: It is now possible to define own functions directly in the modeling field (before use!)
IMP: Import for comparison values improved (incl. settings dialog for text files .txt & .csv) 
        more file formats added: .csv, .labx, .labm, .mmd, .gambl
IMP: The update notification was improved 
IMP: Optimizations have increased the computing speed (up to a factor of 2)
FIX: Display errors fixed where selections were not plotted correctly
FIX: The opening of documents of older program versions improved
FIX: The activated table type is now taken into account during saving/loading
FIX: Various minor bugs of the user interface have been fixed
FIX: Fixed the bug that the program did not always recalculate when the slider was moved
FIX: Misleading message in case of no longer defined sizes in a self-defined table corrected
FIX: Fixed localization error with embedded JVMs (WIN/MAC)
FIX: Loading of erroneous projects is no longer interrupted by mistake

Version  2.6  (March, 08.2021)
NEW: The variable names in the table of comparison values can now be changed.
NEW: Offline callable short manual (help menu)
NEW: Possibility of the examination of the program version (by menu or automatically with program start)
NEW: For WINDOWS and macOS the program is now delivered with its own Java runtime (Windows: installer, macOS: image with program)
NEW: Document information has been reorganized...from now on PDF files with the same file name (print info texts into a PDF file)
NEW: The sidebar with the modeling can be displayed enlarged (beamer use)
NEW: There is now an animated & pausable slow motion display of the calculation results
ADD: Drag with pressed middle mouse button moves the coordinate system
ADD: Definitions of the comparison functions now appear in the printout
ADD: Symbols of the model calculation now appear in the legend 
ADD: Conditional variables can now be defined in the model field (once per line!) 
          (e.g.y={1: IF(t<5): OTHER 2})
ADD: examples/templates in the defined folders cannot be overwritten by mistake anymore
ADD: "Show version history" has been added to "About Fluxion ...
ADD: Several quantities can be displayed in one diagram. 
         (To do so, enter the quantities in the field of the axis application separated by ;).
ADD: Self-definable table added.
ADD: You can now use a template file for new documents.
IMP: Model settings revised and possibilities to set diagram parameters in general added.
IMP: Program settings extended (GUI scaling, tooltip setting, template selection).
IMP: High resolution monitors (HiDPI or Retina) are now fully supported. 
IMP: 3D diagrams have been optimized (incl. context menus, animation & printing)
IMP: The start selection window has more options (used documents and examples selectable)  
IMP: Calculations now run in background -> feedback on calculation / abort possible
IMP: There is now the possibility to plot the graph only partially
IMP: For a new project there is now an automatic axis assignment
IMP: New control buttons and other minor GUI improvements
IMP: Nature constants revised and added (new values according to CODATA 2018)
FIX: Links in the help menu have been updated
FIX: Row selection is now taken into account in the definable table
FIX: Fixed error that self-defined functions were not recognized
FIX: Fixed div. errors with compare functions/values
FIX: Various problems in the diagram have been fixed
FIX: The run variable is now also recognized in the termination condition
FIX: WIN/LINUX use of system conform file selection dialogs 
FIX: WIN/LINUX Defined default folder folders are now taken into account

Version 2.1 (May, 22.2019)
- Oracle-Specials removed -> runs with any OpenJDK Version 8 or greater
- implemented ne Interpreter-Library (improved calculation speed up to 3 times)
- using "Quit" closes all projects with the standard dialog
- after closing the last window now the start window will be displayed
- unused formats removed (EPS, EMF, GIF) 
- Window for advanced definitions is now rezisable
- 3D diagrams now have axis labels
- preference dialog doesn’t appear automatically when creating new documents
- axis labels are stored and can be reused
- fixed context menu in the diagram
- corrected an error while using conditional variables
- corrected an error which occurred when the calculation was cleared
- variable „t“ can be used in the energy modeling

Version 3.0.5 (Nov,27.2018)
- SmartInput revised (new preference settings, possibility of entering with leading „\“ according to LaTeX standard)
- added the possibility to include comments in the definition field (signed with ‚#‘ od ‚---')
- Function variable for additional definition functions changed from x' to var
- fixed errors when drawing variables containing conditional variables
- bug fixed when setting the accuracy of RungeKutta with SWS
- plotting selected values now works properly
- WINDOWS&LINUX: sidebar colors now correct

Version 2.0.4 (Apr,21.2016)
- Fixed an error in initial value calculation of loaded 2D documents

Version 2.0.3 (Nov,23.2015)
- Bugfix in ContextMenu in diagrams

Version 2.0.2 (Oct. 30.2015)
- Windows: modern file dialog & default folder use corrected 

Version 2.0.1 (Oct. 27.2015)
- minor Bugfixes (Open & Import of documents, 3D-Diagram) 

Version 2.0 (Oct, 20. 2015)
NEW:
- multiple documents
- english version
- welcome screen
- 3D diagram
- unified code basis with Newton-II & Fluxion
- fresh new created high resolution icons
- new file suffix for documents
IMPROVEMENTS:
- modernized streamlined GUI
- better table handling
- data import (reads table data from SPARKVue data files)
- many small bug fixes

If you discover any error or have suggestions, a reference to the authors (Website or email from the help menu) would be a great help to improve the program further.

Contact:

Lehrstuhl für Physik und ihre Didaktik
Universität Würzburg
97074 Würzburg, Deutschland 

E-Mail: did-apps@physik.uni-wuerzburg.de  

©2021 Lehrstuhl für Physik und ihre Didaktik an der Universität Würzburg (pid.physik.uni-wuerzburg.de)