Free Android Phone app: https://play.google.com/store/apps/details?id=com.dropbox.android
Google Chrome app: https://chrome.google.com/webstore/detail/ioekoebejdcmnlefjiknokhhafglcjdl
Free iPad app: http://itunes.apple.com/us/app/dropbox/id327630330?mt=8&uo=4&at=10l6SU
Free iPhone app: http://itunes.apple.com/us/app/dropbox/id327630330?mt=8&uo=4&at=10l6SU
Free Mac program: https://www.dropbox.com/downloading?os=mac
Free Windows program: https://www.dropbox.com/downloading?os=win
Website: https://db.tt/dUahryRn
Free Mac program: https://prezi.com/desktop/
Free Windows program: https://prezi.com/desktop/
Website: https://prezi.com/
Google Chrome app: https://chrome.google.com/webstore/detail/prezi/acoonfmhnndodekhecidldfdjgooefpg
Paid iPad app: http://itunes.apple.com/app/wolfram-general-chemistry/id434841846?mt=8&uo=4&at=10l6SU
Paid iPhone app: http://itunes.apple.com/app/wolfram-general-chemistry/id434841846?mt=8&uo=4&at=10l6SU
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Free iPad app: http://itunes.apple.com/us/app/motion-math-hungry-fish/id483049169?mt=8&uo=4&at=10l6SU
Free iPhone app: http://itunes.apple.com/us/app/motion-math-hungry-fish/id483049169?mt=8&uo=4&at=10l6SU
Paid iPad app: http://itunes.apple.com/us/app/math-games-math-vs-zombies/id470896560?ls=1&mt=8&uo=4&at=10l6SU
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Paid iPad app: http://itunes.apple.com/us/app/elements-visual-exploration/id364147847?mt=8&uo=4&at=10l6SU
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Paid iPad app: http://itunes.apple.com/us/app/graphing-calculator-hd/id374274107?mt=8&uo=4&at=10l6SU
Paid iPad app: https://itunes.apple.com/us/app/star-walk-hd-astronomy-guide/id363486802?mt=8&at=10l6SU
Paid iPhone app: https://itunes.apple.com/us/app/star-walk-astronomy-guide/id295430577?mt=8&at=10l6SU
Paid Android Phone app: https://play.google.com/store/apps/details?id=com.vitotechnology.StarWalk
Paid Android Tablet app: https://play.google.com/store/apps/details?id=com.vitotechnology.StarWalk
Website: http://www.filamentgames.com/products/you-make-me-sick
Website: http://www.filamentgames.com/projects/crazy-plant-shop
Website: http://www.quantumsimulations.com/chemistry.html
Website: http://www.languagegarden.com/
Paid Mac program: http://itunes.apple.com/us/app/hyperstudio-5/id411895540?mt=12&uo=4&at=10l6SU
Paid Windows program: http://www.mackiev.com/support_hswin.html
Paid iPad app: http://itunes.apple.com/us/app/britannica-kids-rainforests/id419396614?mt=8#ls=1&uo=4&at=10l6SU
Paid iPhone app: http://itunes.apple.com/us/app/britannica-kids-rainforests/id419396614?mt=8#ls=1&uo=4&at=10l6SU
Paid iPad app: http://itunes.apple.com/mg/app/geopop/id489992345?mt=8&uo=4&at=10l6SU
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Paid iPad app: https://itunes.apple.com/app/wolframalpha/id334989259?mt=8&uo=4&at=10l6SU
Paid iPhone app: https://itunes.apple.com/app/wolframalpha/id334989259?mt=8&uo=4&at=10l6SU
Paid Android Phone app: https://play.google.com/store/apps/details?id=com.wolfram.android.alpha
Paid Android Tablet app: https://play.google.com/store/apps/details?id=com.wolfram.android.alpha
Paid iPad app: https://itunes.apple.com/us/app/move-turtle.-programming-for/id509013878?mt=8&uo=4&at=10l6SU
Paid iPhone app: https://itunes.apple.com/us/app/move-turtle.-programming-for/id509013878?mt=8&uo=4&at=10l6SU
Free iPad app: https://itunes.apple.com/us/app/the-miracle-of-life-lite/id557806598?mt=8&uo=4&at=10l6SU
Paid iPad app: https://itunes.apple.com/us/app/the-miracle-of-life/id554426284?mt=8&ls=1&uo=4&at=10l6SU
Website: http://www.macmillanlearning.com/catalog/elearningbrowsebymediatype/LateNiteLabs
Edmodo app: http://www.edmodo.com/publisher/latenitelabs
Website: http://www.edheads.org/
Paid iPad app: http://itunes.apple.com/us/app/britannica-kids-solar-system/id414503873?mt=8&uo=4&at=10l6SU
Paid iPhone app: http://itunes.apple.com/us/app/britannica-kids-solar-system/id414503873?mt=8&uo=4&at=10l6SU
Paid iPad app: http://itunes.apple.com/app/wolfram-astronomy-course-assistant/id428103833?mt=8&uo=4&at=10l6SU
Paid iPhone app: http://itunes.apple.com/app/wolfram-astronomy-course-assistant/id428103833?mt=8&uo=4&at=10l6SU
Paid iPad app: https://itunes.apple.com/app/wolfram-planets-reference/id487267819?mt=8&uo=4&at=10l6SU
Paid iPhone app: https://itunes.apple.com/app/wolfram-planets-reference/id487267819?mt=8&uo=4&at=10l6SU