Software -- ''The Greatest Paper Airplanes''

"The Greatest Paper Airplanes" Kitty Hawk Software (800) 777-5745 Windows $30 (introductory price, $40 thereafter)

There are numerous software programs on the market that boost hobbies and offer an alternative form of relaxation. One such new program is "The Greatest Paper Airplanes" by Kitty Hawk Software.

If you've ever folded a piece of paper into a make-shift airplane, thrown it into the air and watched it soar, you'll love this program.

It will help you make 25 different paper airplane designs, ranging from simple gliders to jets to space ships. Just choose the design and print it out, and fold along the dotted lines.

The software uses 3-D animation graphics to show you each fold.

It comes with 50 sheets of paper with each airplane design preprinted twice, with the folding marks on the front and back. This gets the user off to a quick start.

"The Greatest Paper Airplanes" also gives the user a tutorial on the history of aviation. It uses sound effects and 3-D animation to teach the fundamentals of flight.

And it shows you how to adapt those techniques to paper airplanes.

The software offers a Windows screen-saver program that automatically displays folding airplanes on your screen when your computer sits idle.