KoAbacus

KoAbacus

Mental Arithmetic
Pacote:
aboard.and.koabacus
Transferências:
50K
Tamanho:
1.3 MB
Requires Android:
2.3 ou superior
Atualizado:
7 de fev de 2019
233
Última versão:
1.0
Era:
Todos
Gratuito Baixar

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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