Egyptian abacus (14 h 39 m, 21 nov 2018 año – 14 h 49 m, 1 jul 2019 año)
Descripción:
The use of the abacus in ancient Egypt is mentioned by the Greek historian Herodotus, who writes that the manner of its usage by the Egyptians was opposite in direction when compared with the Greek method.
Añadido al timeline:
fecha:
14 h 39 m, 21 nov 2018 año
14 h 49 m, 1 jul 2019 año
~ 7 months