In this permanent twinspace are archived :

FAQ  : Frequently Asked Questions - Foire Aux Questions

• Calculate the angle of the sun
• Choose your gnomon
• Convert angle (decimal - min, sec)
• Distance between paralleles of 2 cities
• Divergent rays and parallel rays
• Draw the geometric figure
• Equinox line
• Equinoxes and solstices strategies
• Estimation - interpolation
• Find your best partner
• Foire Aux Questions (Francophone)
• Magnetic and geographic north
• Measure the shadow
• Open a photo in a new window or a pop up window
• The seasons
• Videoconference Centra ( iphone ipad android)

Teacher's guide

Mesures archives (2005-2015)

• 2005 Measures
• 2006 Measures
• 2007 Measures
• 2008 Measures
• 2009 Measures
• 2010 Measures
• 2011 Measures
• 2012 Measures
• 2013 Measures
• 2014 Measures
• 2015 Measures

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http://eratoslibrary.blogspot.fr/