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Speed Bump Differential Quotient: Explainer Video
Screencast with two GeoGebra files introducing the difference quotient assuming that the slope of a line through two points has been repeated recently.
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Microsoft Excel: Insert and delete rows and columns
In this tutorial video, you will learn how to add or remove rows and columns in Microsoft Excel.
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Microsoft Excel: Insert header and footer
In this instructional video you will learn in an easy way how to insert headers and footers in Microsoft Excel.
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Refraction and reflection of light: Simulation
This learning tool is an applet that allows you to simulate and investigate the refraction and reflection of light.
This way you can, among other things:
- choose from six translucent bodies;
- adjust the refractive index from low to high or …
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Proverbs and sayings
With this app you can practice on the meaning of 300 proverbs and sayings in 1500. You can adjust the level so that the game is suitable for both child and adult. There are two different game modes: you choose the right saying if given the …
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The DT-rules
In this application the spelling rules around -DT be repeated. There are also exercises provided on this spelling rules. The application is compatible with iPhone, iPod touch and iPad.
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Instruction video: Share files with Dropbox
This instructional video shows how you can share files with dropbox.
There is step by step how you download and install the program, how to create an account and how you can then share files with others.
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