Holland

Holland

Sketchup inside

Sketchup

SketchUp

SketchUp is a 3D modeling program optimized for a broad range of applications such as architectural, civil, mechanical, film as well asvideo game design and available in free as well as 'professional' versions. 

The program highlights its ease of use, and an online repository of model assemblies (windows, doors, automobiles, entourage, etc.) known as 3D Warehouse enables designers to locate, download, use and contribute free models. The program includes a drawing layout functionality, allows surface rendering in variable "styles," accommodates third-party "plug-in" programs enabling other capabilities (near photo realistic rendering) and enables placement of its models within Google Earth. 

I think SketchUp is a really good program, you can do a lot of things and it’s not so difficult to use it but you have to see some videos tu understand a little bit how it works. 

GeoGebra

GeoGebra is a free interactive mathematical software for education in colleges and universities, it was created by Markus Hohenwarter. GeoGebra  permits to make constructions with points, vectors, segments, lines, conic sections as well as function. You can enter equations and coordinates directly, the user can locate derivatives and integrals of functions, they can then be modified  or dynamically created. The program is divided into two windows and another geometric. Algebraic GeoGebra is a dynamic program for education learning of Mathematics

I think GeoGebra is a program that facilitates the teaching and understanding of mathematics, giving us some options for our ease of working and learning, giving also help to teachers as a teaching and unusual program it can facilitate learning of mathematics and its divisions, and because these features  students can understand everything taught in this rare form. The presentation of Dani and Guille was really good.

Time table

How to use Gimp

Shakira

Shakira

Animated gif

Voki