http://www.isnare.com/?s=author&a=Armando+Martinez Education Armando Martinez Thu, 11 Jun 2009 00:00:00 +0800 http://www.isnare.com/?aid=275413&ca=Education The first part of the Mayan writing system to be deciphered by the western scholars in the XIXth century was its numerical system. Unlike many believed, the system turned out to be remarkably sophisticated. Very similar to the Arabic system, the Mayas used the idea of place as a consideration of val... Education Armando Martinez Mon, 16 Feb 2009 00:00:00 +0800 http://www.isnare.com/?aid=272806&ca=Education The Aztec word macehualtin designated the people that did not belong to the upper social spheres (artisans, traders, and government officials), but excluded the sphere of the slaves. The word is derived from the verb macehualo, which means “work to earn”, or “work to deserve”. In modern nahuatl, the...