With Flash you can easily create index cards. You can create your index cards individually in the ap
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Hydropower and Turbine Selection
A Hydropower App calculates power output and annual energy and suggests the suitable turbine type.Us
看更多 »Craft Your Advent Calendar
With this app, you can create an Advent calendar for your friends and yourself. You can either choo
看更多 »QuickMath: mental arithmetic
Your brain has to get used to mental arithmetic and set up automatisms. Practice arithmetic every da
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