after the Easter holidays we are all heading back to work and we at GeoGebra want to make teaching and learning easier and more fun for you:

• You can now use Spreadsheets and Right Click in our GeoGebra Chrome App
• We shared the Development Roadmap, so you all know what to expect soon
• You can collect ideas from the winning 3 entries of the ORBIT competition
• You can learn from India: Part 1, Part 2

And we invite you to our upcoming US and online events:

• April 9 in Las Vegas: GeoGebra at the MERLOT Award Ceremony
• April 12 online: GeoGebra on Air Hangout online workshop
• April 16 in Denver: Register for the free GeoGebra Day before NCTM
• April 17-21 in Denver: GeoGebra Booth #1433 at NCTM

Hope to see you soon!

Community News

• Support the GeoGebra for the iPad Project!
• The registration is still open! GeoGebra Conference 2012, 21-23 September in Warsaw, Poland.
• First Pre-conference: GeoGebra ICME Pre-conference 2012. More Pre-conferences coming, Pre-ATCM, Pre-CERME, etc.
• Meet the GeoGebra Ambassadors on the Official GeoGebra Blog: Juan Pablo Echeverría, Costa Rica, Steve Phelps, Chair of GeoGebra Institute of Ohio, USA, Sanjay Gulati, India and Guillermo P. Bautista, Chair of GeoGebra Institute of Metro Manila, The Philippines

Our Community in Numbers in 2012/1

• 110 GeoGebra Institutes and growing.
• 24 new GeoGebra Institutes in 2012.
• More than 10 000 likes on Facebook.
• More than 3400 Twitter followers.
• 4.2 million visits to geogebra.org.
• 10 Years of GeoGebra Logo Contest results and materials in the facebook group.
• GeoGebra is currently available in more than 45 languages.

Development News

GeoGebra 4.2 Release Candidate

We have been working very hard over the Summer with testing, adding the last few features and fixing bugs. We need your help to catch the last few bugs, so please install the Release Candidate and try it out!

You can install the WebStart version here and the installers are here

Some of the highlights of the new version:

• Powerful Computer Algebra (CAS) View
• Improved Probability Calculator
• Sort Algebra View by Construction Order or Layer
• Draw lists as drop-down menus in the Graphics View
• Freehand Shape Tool (recognizes functions, lines, circles, polygons)
• Slope Field Command (for differential equations)
• Improved Pen Tool (supporting undo/redo)
• Find Intersection Points of a Line and Parametric Curve
• Rigid Polygon Tool can now be used to copy an existing Polygon and make it Rigid

Events from summer and in the near future

See our Events Map & Calendar and the GeoGebra Conference 2012 Wiki.

Upcoming conferences

September

• Sept 3: GeoGebra Introduction, in Semnan, Iran
• Sept 10: GeoGebraCAS für UP, in PH Hollabrunn, NÖ, Austria
• Sept 14-16: The 3rd Nordic GeoGebra Conference in Tartu, Estonia
• Sept 21-23: The International GeoGebra Institute Conference 2012 in Warsaw, Poland
• Sept 24-26: The International Conference on E-Learning and E-Technologies in Education in Lodz, Poland
• Sept 26: SzegedTech in Szeged, Hungary