Showing posts with label geometry. Show all posts
Showing posts with label geometry. Show all posts

Wednesday, 15 May 2013

Manual: GeoGebra 4.2 in a Nutshell - GeoGebraTube

Whoop, just what a math teacher wants, a free manual for the opensource program Geogebra (.org)
I've learnt a few new features just by having a skim through this.

Manual: GeoGebra 4.2 in a Nutshell - GeoGebraTube

Friday, 14 December 2012

SageMath and 3D Graphics

As mentioned in an earlier post, Sage Maths is a high-level mathematical system that combines a large variety of open-source (free) software into one powerful bundle.
In the classroom, one of the most exciting features is it's interactive 3D plots.


What is geometry useful for any way?

Hear this question a lot?

The following are links to some old metalworking (and woodworking) books which show that metalworking and woodworking engineers of the past really knew their stuff.

http://archive.org/details/metalplateworkit00millrich
http://archive.org/details/mechanicsgeometr00ridd 
http://archive.org/details/tinsheetironcopp00bliniala