New Features for Version 3.0

Auto demo: a new button on the main interface. It is an auto play of the program demonstration. The action of mouse clicking is simulated by blinking of buttons.
3-D surface temperature contour plot option is availabe in SET of the menu bar.
Finite element mesh can be turned off by clicking turn mesh off in SET of the menu bar. This is useful when the geometry is complex and a clean screen is needed.
Finite element nodes can now be shown by clicking turn nodes on in SET of the menu bar.
Fonts and background colors of all windows are changed and look better.
Discretization scheme is adjusted to make the element number smaller.