[color=#ff0000][b]For the simulation to be displayed in its entirety over the screen: Click on the circle (with a square inscribed) at the bottom right of the simulation. Or you can zoom out (in) by pressing Ctrl - (Ctrl+)[br][/b][/color][br][b]HOW TO MOVE POINTS AND CHANGE THE VALUE OF VARIABLES?[/b][br][br]Click a movable point or a slider button[br]and Drag![br]Or, Click to highlight the point or[br]slider, then use:[br] • Arrow keys for adjustments, or[br] • Shift+Arrow keys for fine adjustments, or[br] • Ctrl+Arrow keys for coarser changes, or[br] • Alt+Arrow keys for even coarser changes[br][br][b][url=http://www.georgiostheodoridis.se/sv/index.php]Home page[/url]: http://www.georgiostheodoridis.se[/b]