Comments:GeoGebra Community Newsletter 2012/2

Community News

• Support the GeoGebra for the iPad Project!
• Join us and share your ideas with other members of the community on GeoGebra Conference 2012, 21-23 September in Warsaw, Poland. The registration is still open!
• We held a very successful pre-conference: GeoGebra ICME Pre-conference 2012 with 160 participants from 32 different countries in Seoul, Korea on Sunday, 8 July, 2012, just one day before ICME 2012. Based on the success we are planning to organise more pre-conferences.
• New book on GeoGebra! Learning GeoGebra with examples (practice) (따라하며 배우는 지오지브라) by Kyeong Choi, published on the day of GeoGebra Conference pre-ICME 2012.
• New Milestone on Facebook: we reached the 10.000th like! Follow us and share your ideas!
• Our 19 years old Google Summer of Code student Damien Desfontaines makes theorems proven in no time! Read Zoltán Kovács's account.
• Meet the GeoGebra Ambassadors on 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, and John Golden, USA

What you can do:

• Talk about, teach, spread GeoGebra! Network, go to conferences, help establish new GeoGebra Institutes! We will recognize the efforts of the members of our community who have been the most active, by naming them GeoGebra Ambassadors. You can also nominate someone you know and think should deserve it to become a GG Ambassador. Send your suggestions to community@geogebra.org!
• Post, discuss, share online your experiences with GeoGebra! Start a blog, a facebook, twitter, google+ page or just simply share with us any interesting pages you find about GeoGebra on the worldwide web. Click here to submit a page
  
• If you tweet about a conference please use the #ggbconf hashtag.

Our Community in Numbers in 2012/1

• At the moment we have 110 GeoGebra Institutes all around the World.
• 24 new GeoGebra Institutes were established in the first seven months of 2012.
• The number of people who joined our GeoGebra Facebook group has grown from 8888 to more than 10 100.
• There are 3368 people who follow GeoGebra on Twitter!
• We had more than 4.2 million visits to www.geogebra.org until mid August in 2012 out of which 66.5% are new visitors.

• Users clicked on our download links (from our website alone)
• Our visitors came from 218 countries and territories. Most visitors are from the US, Europe and Latin America.

10 Years of GeoGebra Contest Winners

• Results and materials are available on our facebook page.

Our sincere congratulations to Mehdi Boulifa, Chair of GeoGebra Institute of ATEPS, Tunisia who won first prize!
The second prize went to Natalia Gonera, Poland:
The third place has also been won by Mehdi Boulifa:
Our first three contestants won GeoGebra prizes! Let us also thank all of you who participated in either creating or voting for the 10 years GeoGebra logos.
What you can do: Watch out for upcoming new contest calls and participate!

Translation Issues

The GeoGebra software is currently available in about 55 languages, however there are a few translations still missing or need updating like Albanian, Thai, Afrikaans, Filipino, Malayalam, Hindi etc. What you can do: Do your students understand everything? If GeoGebra is not available in your local language, please work with us to find volunteer translators and make GeoGebra accessible for everyone. E-mail Translation

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

Articles & Materials

• Midwest GeoGebra Journal with new articles, activities, and sketches on GeoGebra. They are currently recruiting volunteers to review manuscripts for the journal for publication in 2012.

We are working on new features of the GeoGebra tube, so that it will be even more useful!
Some nice resources on GeoGebra:

• Dynamic Polar Plotter
• Section d'un pavé droit
• Potential energy
• Site de figures GeoGebra
• Surface Area for Cuboid
• Exponential Growth or Decay?
• 3D Coordinate Axes in Geogebra
• Escalator. Inspired by a Twitter problem posed by Bowman Dickson
• Circle proportions simulation
• Rubber Pencil Illusion
• Elliptic Orbit. Proof of Kepler's 1st Law by using Newton's Law of Gravity and Kepler's 2nd law
• Logarithmic Spiral
• Dilations
• Temperature and relative numbers
• Harmonisk svängning
• Der Differenzenquotient

and form other sites:

• GeoGebra applets from Croatia
• Irina Boyadzhiev's website with many GeoGebra applets
• Graphic Statics in GeoGebra from Lukas Ballo

What you can do: Please keep on uploading materials! We will include some of the most impressive ones in our newsletters.

GeoGebra in the Media

• Article mentioning GeoGebra in La Stampa.it
• 10 Reasons Why Mathematics Teachers Should Blog
• Jeff Patmore and his colleague's article about GeoGebra translated into Chinese by Professor Guo Kan
• Docentes salteños aún no logran superar la brecha digital
• CCITE - promoting the return of the polymath
• Upper secondary teachers' approaches to the use of GeoGebra
• Docentes salteños aún no logran superar la brecha digital
• What we need to do to develop the appropriate education for our pupils today and into the future

What you can do: Please let us know if you do any GeoGebra related research activities (writing an article, study, manual, lesson plans etc.) by uploading information here or if it is more convenient by filling out a form here

GeoGebra Institutes

Virtual Homes
We are delighted to see that so many of you have created beautiful and unique websites for your GeoGebra Institutes. In each newsletter we will present a few of those sites that have captured our attention.

• GeoGebra Institute of KSTM, Korea
  
• GeoGebra Institute of Sao Paulo, Brasil
  

New Institutes
We would like to hereby welcome our new GeoGebra Institutes:

• GeoGebra Institute of Chalimbana, Zambia
• GeoGebra Institute of NUM, Mongolia
• GeoGebra Institute ISGEMA, El Salvador
• GeoGebra Institute of UPT, Romania
• GeoGebra Institute of Banten Province, Indonesia
• GeoGebra Institute of Palembang, South Sumatra, Indonesia
• GeoGebra Institute of Okinawa, Japan
• GeoGebra Institute of San Jorge Gulf, Argentina
• GeoGebra Institute of CABA, Buenos Aires, Argentina
• GeoGebra Institute of BKF, Budapest, Hungary
• GeoGebra Institute of Al-Kharazmi, Tehran, Iran
• GeoGebra Institute of Khuzestan, West of Iran, Iran

What you can do:

• Get inspired! Create your own GI website and let us know about it! Once you have your own site, do not forget to update it with information to serve your local community!
• Help us extend the GI network! Please let us know at institutes@geogebra.org if you know anyone who would be willing to establish a GeoGebra Institute.

Events from summer and in autumn

See our Events Map & Calendar and the GeoGebra Conference 2012 Wiki for a complete list of upcoming workshops and conferences as well as for proceedings of past conferences. June

• Jun 7: The Eighth International Mathematics Festival at National University of Liberia, Guanacaste, Costa Rica
• Jun 11-12: Midwest Regional Conference of GeoGebra 2012 at Miami University, Oxford OH, US
• Jun 18: GeoGebra workshop at Wigner Research Centre for Physics, Hungarian Academy of Sciences, Budapest, Hungary
• Jun 20-21: GeoGebra at GVSU Gatherings) at Grand Valley State University Regional Math and Science Center, Michigan, US
• Jun 21: CAME in Novi-Sad, Serbia
• Jun 21-23: 4th European Conference on Computer Sciences and Applications in Timisoara, Romania
• Jun 22-24: CADGME 2012 in Novi Sad, Serbia
• Jun 25-27: Introductory GeoGebra workshop at Berkeley Unified Schools District, Berkeley, CA, US
• Jun 28-30: MEI 2012, at University of Keele, UK

July

• Jul 2-5: First International Dynamic, Explorative, and Active Learning (IDEAL) Conference in Bayburt, Turkey
• Jul 2-6: The 35th Annual Conference of the Mathematics Education Research Group of Australia [MERGA] in Singapore
• Jul 2-8: Milset Expo-Sciences Europe 2012 (with GeoGebra programme by Mascheroni CAD Team) in Tula, Russia
• Jul 3-6: Rátz László Vándorgyűlés 2012 in Pécs, Hungary
• Jul 4: Introducing and using Geogebra in Manchester, UK
• Jul 4-6: Developments in Computer Algebra Research 2012 in Kyoto, Japan
• Jul 4-6: Uso de GeoGebra para la Enseñanza de las Matemáticas, at Universidad Tecnológica de El Salvador, El Salvador
• Jul 6-9: IGGCW-Miskolc-2012 (International GeoGebra Conference and Workshop) in Miskolc, Hungary
• Jul 8: GeoGebra ICME Pre-conference 2012 in Seoul, Korea
• Jul 8-15: ICME 2012 in Seoul, Korea
• Jul 9-12: TSM 2012 in Oundle, Peterborough UK
• Jul 10-14: TIME2012 Technology and its Integration in Mathematics Education in Tartu, Estonia
• Jul 12: Introducing and using Geogebra in Liverpool, UK
• Jul 12-13: CETL-MSOR Conference at University of Sheffield, UK
• Jul 18-22: PME36 in Taipei, Taiwan
• Jul 25-28: 3rd Northamerica GeoGebra Conference in Mexico
• Jul 30-Aug 3: Key Concepts, Fundamental Ideas and Core Awarenesses in Mathematics in Oxfordshire, UK

Aug

• Aug 2-4: Latin-American GeoGebra Conference 2012 in Medellin, Columbia
• Aug 8-10: GeoGebra Summer Camp, in Seoul, Korea
• Aug 9: GeoGebra Day, at State College Area School District State College, Pennsylvania, US
• Aug 17-22: NIS Conference, in Astana, Kazakhstan
• Aug 28: CrossBorderScience 2012 Conference in Kaposvár, Hungary
• Aug 28: OC12 Symposium "Open Commons Initiative Linz: Leben und Zusammenarbeiten mit digitalen Gemeingütern" in Linz, Austria
• Aug 29: GeoGebra AfterWorkshop in Sweden

Sept

• 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

Oct

• Oct 3: Introducing and using GeoGebra, in Reading , UK
• Oct 10-12: NCTM 2012 Regional Conference in Dallas, Texas, US
• Oct 17: Landes-AG Mathematik APS OÖ, in Linz, Austria
• Oct 18: Introducing and using GeoGebra, York, UK
• Oct 19-20: Annual meeting of GeoGebra Institute of Valencia, in Velancia, Spain
• Oct 24: GeoGebra como instrumento para las Matemáticas Educativas, in Acatlán, Mexico
• Oct 24-26: NCTM 2012 Regional Conference in Hartford in Connecticut, US

Nov

• Nov 5: GeoGebra-Fortbildung, in Innsbruck, Austria
• Nov 6: Geogebra–2D: Das Werkzeug, in Steyr-Münichholz, Austria
• Nov 8-10: Latin-American GeoGebra Conference Uruguay 2012 in Montevideo, Uruguay
• Nov 16: Introducing and using GeoGebra in Sussex, UK
• Nov 16-17: VTN 2012 Varga Tamás Módszertani Napok, Budapest, Hungary
• Nov 24: GeoGebra Day in Segovia, Spain
• Nov 28-30: NCTM 2012 Regional Conference Chicago in Illinois, US

What you can do:

1. Please attend and also take a minute to let others know about our events!
2. It is our goal that GeoGebra appear in every important Math or IT related conferences. We are maintaining a list of those conferences. Represent GeoGebra at one or more of these events!
   
3. If you know about a potential conference where GeoGebra should be present , if you need assistance with organizing a conference/workshop or have news for our next newsletter please let us know at events@geogebra.org.

See GeoGebra Newsletters for previous newsletters
Go to GeoGebra User Forum if you have any technical questions Thank you for your attention!
The GeoGebra Team