KoAbacus

KoAbacus

Mental Arithmetic
Paket:
aboard.and.koabacus
Downloads:
50K
Größe:
1.3 MB
Erforderliche android-version::
2.3 oder höher
Aktualisiert:
7. Feb 2019
233
Letzte version:
1.0
Alter:
Jeder
Kostenlose Download

KoAbacus 1. 0. 46 - Korean Abacus & Mental Arithmetic. The abacus is a calculating tool that was in use centuries before the adoption of the written modern numeral system and is still widely used by merchants, traders and clerks in Asia, Africa, and elsewhere. Button function. 6, 5, 4, 3, 2, 1: - positional number.

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