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.
62 Versiyada dəyişikliklər
demək olar ki 6 il əvvəl
(Built 1 ildən çox əvvəl)
Dəyişiklik qeydləri təmin edilməyib
Community built
This app is developed in the open by an international community, and released under the GNU General Public License v3.0 or later.
