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Interactive thin sections of minerals under the microscope.
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Calculation of parameters and characteristics of telescopes with visualization
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Mobile Observatory 2 - The Astronomy App for your Android Device
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Geooh GO is the most feature rich geocaching app available today.
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Some of the best knots you can tie!
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GPS Data+ essential application for all GPS users with splendid Holo interface!
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See the International Space Station, planets, comets and more.
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Multi-mode GPS track & find recorder for metal detectorists.
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Astronomy app 💫 Discover the universe scope, explore solar system model in 3D.
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Teach & Learn astronomy: 3D model of our solar system for educational purposes
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VolcanoDiscovery – Legacy Upgrade
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Get help and answers with Precalculus, including limits. Easy interface guides
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This app is a military GPS and coordinate systems assistant.
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Astronomical calculations of the sun & the moon.
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Check how much you spend for refueling!
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The complete field & lab guide: 3D Minerals, Microscope, Rock ID & Geology Tools
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Hold any of the phone's 4 sides against an object to test it for level or plumb.
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A traditional Planetary Hours calculator that works for any date and location.
