OzoneZone, LLC




Founded 2005



OzoneZone, LLC, is an information technology and education consulting company founded by a full-time math teacher. Our first product marketed to the general public is BallparkItTM, an educational calculator that teaches trigonometry skill in a multiple-choice quiz game format. BallparkIt supports the following Apple handheld devices:

  • iPhone (OS 2.2.1 or later)
  • iPod touch (OS 2.2.1 or later)



BallparkIt version 1.0 is $1.99 to download . . . only a fraction of the cost of a geometry or trigonometry textbook, and just think! You will actually become skillful in trigonometry if you play BallparkIt.



To find BallparkIt, search Apple’s iTunes App Store for BALLPARKIT. Or, if your desktop or laptop PC already has iTunes installed, you can visit the BallparkIt page on iTunes simply by clicking here.



Alternate instructions in case both methods given above fail:

1. Open iTunes.

2. Click on App Store.

3. Search for BALLPARKIT (all one word).

4. In the APPLICATIONS region of the search results, you should see this:

5. Click on the baseball icon for more information, or click the BUY APP button on your iPhone if you’re ready to purchase.




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Thank you!




Revised 6/28/2009. “BALLPARKIT” is a trademark of OzoneZone, LLC. All other product names used above are trademarks or registered trademarks of their respective owners, and no endorsement is implied.