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Beautifully Designed Intensely Hard Logic Puzzles
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Environmental Intelligence. The weather app for boating, fishing, & the outdoors
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View images of the sun published by NASA's Solar Dynamics Observatory SDO
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Sign up today to start working faster …and smarter.
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Aircraft Engine Performance at Design Point
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Squifly - The Skydiving and Tunnel App and USPA approved Logbook
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A simple, useful and easy to use flight computer for students and professions
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Astronomical observation planning tool with excellent star charting capabilities
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The best electronic circuit simulator for Android.
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Identify lights in the night sky, predict passes of the ISS and of satellites
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IFR Holding Pattern Trainer, tutorial and calculator
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Now 200 knots! Every knot from NetKnots.com animated and illustrated - no ads!
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A truly interactive way for drummers to practice the most important rudiments
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Practice & improve your instrument navigation skills on your mobile device
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The Polar-Aligner is a great tool to align your equatorial telescope mount
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If you love paracord, macrame, braiding, knotting, weaving and weavy loops .....
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Flight simulator for radio controlled planes
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Pilots IFR Procedure Training. Holding patterns, radial interceptions, DME arcs.
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Simplates is a "Must have for the serious flight simulation enthusiast!"
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Exclusive Gold App for Outstanding Skiers
