Follow
the link for the Boxer Software Download Page and download the
full version of Boxer for Power PC (PowerPC Mac Boxer 2.5 + Demos
and On-Line Documentation). Save the file to your desktop or an
appropriate folder on your hard drive.
Boxer
comes with a full tutorial. It is recommended that new Boxer users
complete this tutorial prior to proceeding to Step 2. You can run the
tutorial at any time by double-clicking on the Start file
in the folder that contains the Boxer program icon.
Return
to the Classroom Resources for Downloading Page and follow
the link for Boxer Ball Drop Model. At this link click on
the file simulations.box. Your browser will begin the
process of downloading this Boxer file from the Boxer FTP site. Save the
file to your desktop or an appropriate folder on your hard drive.
To
open the simulations.box file, first start the Boxer program
by double-clicking on the Boxer icon in the folder downloaded in Step 1
above. With Boxer open, use the Open command in the File
menu to open up simulations.box. A Boxer icon called simulations
will appear in the Boxer window.
To
view the Boxer simulations, double-click on the simulations icon.
Three Boxer programs are included in this file: Ball Drop, Book
Slide, and Ball Rolling Off Table. Book Slide and
Ball Rolling Off Table are included for further exploration after the
Ball Drop.
To
open the Ball Drop program double-click inside the box
labeled Ball Drop.
To run
the go program double-click on the command go
in the menu box. To reset the model double-click the reset
command.
To
create a revised model called go2, use the Box menu
to create a Doit box. With the cursor blinking in the unlabeled
Doit box, press the up arrow on your keyboard to access the label
and name the box go2. Use the down arrow to return to
the box. The model responds to the following commands:
FD
n--- sends the ball down n units
REPEAT
x FD n --- repeats the FD command x times
Add
the command go2 to the menu box. Double-click on go2
to run your revised program.
For
further instruction in the use of Boxer programming to revise the go
model review the Boxer tutorial discussed in Step 1 above.