PRESENTATION

In this section we present the Acolhua number system, its use of dots, lines and fractions.

We show how to read the sections Milcocolli and Tlahuelmantli.

In the geometry section we recall using an interactive program some interesting facts about irregular polygons, their properties and areas.

We include an explanation of the construction of irregular quadrilaterals with given area (link)

We provide an interactive program to construct irregular polygons and compute their area.