update
increase xMargin for 'Save Line' and 'Erase Lines' buttons
update
add GLConstants.INTERACTIVE_EQUATION_FONT_SIZE, increase font size in interactive equations for all screens
remove distinction between font size for interactive vs static parts of equation
update
update
copy and revise model.txt from Java implementation
copy and revise implementation.txt from Java implementation
update
update
use sun.HStrut instead of scenery.Line in control panels
remove underscore prefix from private fields and functions, obsolete convention not followed consistently in this sim