April 13, 1999: Release of kpl 0.1


July 29, 1999: Release of kpl 0.2

  Needs KDE 1.1
  Powered by KDevelop
  Nonlinear parameter fit
  Positions of menu bar and toolbar saved in configuration file
  Popup menus with icons
  Statusbar layout improved (including short help)
  Close item in File menu
  Open Recent item in File menu
  (De)activation of unsaved changes warning
  Menu and toolbar items for magnification increasing/decreasing
  Configure Key Bindings item in Options menu
  Context menu
  Improved painting by use of pixmap buffer
  Function parameters may be saved separately in ASCII files
  Optional display of function source in parameter dialogs
  Optional calculation of bounding box for PostScript files (using
    Ghostscript)
  MimeType for kpl plot files

September 28, 1999:  Release of kpl 0.3

  Plot items can be deactivated to hide them (temporarily)
  Sequence of plot items can be changed easily
  Improved reading of plot files by use of KSimpleConfig
  New plot files save the (de)activation state of items
  Improved recognition of .plo files by file name
  No multiselection necessary for parameter fitting when only
    one function and one array item are present

January 14, 2000:  Release of kpl 0.4

  General linear least square parameter fit
  Long parameter fit runs can be terminated by user
  Output format for parameter files and dialogs can be changed
  Output format for status bar is set according to screen resolution
  Item dialog is modeless now
  Multiple input files at commandline and at Drag and Drop
  Both KDE and Qt Drag and Drop protocols supported
  Session management
  Function value buffers for faster redrawing
  More example functions

February 21, 2000: Release of kpl 1.0

  Buttons to open symbol selection dialog show actual symbol
  Improved internationalisation
  Extended help
  More examples

May 5, 2000: Release of kpl 1.1

  Multidimensional parameter fits
  Improved parameter fit dialog
  Increased printing resolution
  Both portrait and landscape PostScript output
  More examples

August 10, 2000: Release of kpl 1.2

  Undo/Redo Actions
  Package for KDE 2 beta available

November 21, 2000: Release of kpl 2.0

  Needs KDE 2.0, optimized for KDE 2
  Toolbar configuration item in Settings menu
  Save absolute paths item in Settings menu
  Improved double value input validation
  Spinboxes in array dialog are updated
  Unicode text in .plo files (recode your old .plo files
    to UTF8 when they contain non-ASCII characters)
  Size of dialog windows can be changed
  Polish translation

January 22, 2001: Release of kpl 2.1

  DCOP interface
  Logarithmic scales
  Only modified files are reloaded periodically
  Position of toolbar saved in configuration file
  Improved New Item dialog
  New array or function items inherit the normalization factors
    of preceeding items

January 27, 2001: Release of kpl 2.1.1

  Bug fixes

May 22, 2001: Release of kpl 2.2

  Data and plot files optionally can be added to the current plot
  New decoration items: text, line, arrow, rectangle, ellipse
  Position of items can be changed by dragging with the mouse
  Reload button in Array dialog
  Empty lines in data files are ignored
  x-axis and y-axis can optionally be placed on top side or
    on right side, respectively
  Japanese translation

October 12, 2001: Release of kpl 2.3.0

  Needs KDE 2.2
  Residuals of parameter fits can be displayed
  Arrays optionally can be saved within plot files
  Separator for exported files can be set
  Parameters of function items can be applied directly
  New DCOP function: activateItem()
  Improved selection and activation in dialog Items
  Dialogs improved for KDE standard compliance
  Return type of boolean DCOP functions changed to int to avoid problems