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OzoneZone,
LLC |
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Ballparkit® |
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Founded 2005 |
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OzoneZone, LLC, is an information technology and education consulting company founded by a full-time math teacher. Our product marketed to the general public is Ballparkit®, an educational calculator that teaches trigonometry skill in a multiple-choice quiz game format. Ballparkit supports the Apple iPhone and iPad family of handheld devices. |
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Ballparkit version 2.0 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 use the Ballparkit calculator. |
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To find Ballparkit, search Apple’s App Store for BALLPARKIT. You should see a search result that resembles this: |
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Use of Ballparkit implies that you consent to the terms of the Ballparkit Privacy Policy, which was last updated on 8/26/2019. |
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Please send all comments to |
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Revised 8/26/2019. BALLPARKIT is a registered trademark of OzoneZone, LLC. All other product names used above are trademarks or registered trademarks of their respective owners, and no endorsement is implied. |
