Angular conversion
  
      
      
        
          by
          Eric Vayssié
        
      
      
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          last modified
        
        Jun 14, 2013 10:41 AM
      
  
  
  
  
                            
                                
                                
            
                
            
            
        
                            
                            
                            
	
	(le séparateur décimal est le point . )
Other calculations
- 
		Ephemerides for Participants' cities. Ephemerides for other cities
 
- 
		Meridian Distance between two cities
 
- Zenital distance of the sun (with the measurments of gnomon's height and gnomon shadow's length)
Website Eratosthènes of Collège Antonin Perbosc
Galery of gnomons english espanol french
Seasons with Geogebra
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