Mathematics and Multimedia Blog Carnival #2

Hook, Line and Linker

Welcome to the second edition of the Mathematics and Multimedia Blog Carnival.

One of the new developments is that I am giving a title to each edition of the carnival. The title of second edition: Hook, Line and Linker . As you read, you would know why I have chosen the title.

» Read more

GeoGebra Tutorial 31 – Paper Folding Simulation

This is the 31st GeoGebra Tutorial of the GeoGebra Intermediate Tutorial Series. If this is your first time to use GeoGebra, you might want to read the GeoGebra Essentials Series.

In this tutorial, we are going to use GeoGebra to simulate paper folding. We will represent a rectangular piece of paper with corners ABCD and drag the upper right corner (vertex B) anywhere inside the rectangle.

We will use a Point on Object, a which is only available in GeoGebra 4.0 Beta Release, which can be downloaded here. As an alternative, the Point in region tool can be replaced by the New point tool as an alternative in lower versions (see details in the step-by-step instructions). » Read more

25 GB of free online storage

Update: This service has been reduced to 7GB

Not anymore. If your hard disk or online storage account is running out of space and you have no budget to upgrade, one of the best options to store/back up your files is Window Live’s SkyDrive. SkyDrive has 25GB of free online storage

How do you get one?

Pretty easy. All you have to do is to go to Windows Live and sign up.  Once you are done, log in and hover your mouse to Windows live logo located at the upper left of the Windows Live page, and then choose Skydrive (see figure below).

In Skydrive, you can choose to keep your files on your own, to share it with friends, or to make it public.

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Photo:  Messy Messy by Bare Dreamer.

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