Abacus lets the learner explore different representations of numbers using different mechanical counting systems developed by the ancient Romans and Chinese. There are several different variants available for exploration.
Modificacions dins la version 62
fa gaireben 6 ans
(Complilacion fa mai d’un an)
Cap de jornal de modificacion pas fornit
Construch per la comunitat
This app is developed in the open by an international community, and released under the GNU General Public License v3.0 or later.