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Electronic abacus / Abacus

Electronic abacus

Electronic abacus is an modern lesson tool which improves
the sense of numbers for the children who lean mathematics
and is an educational tool which makes interesting learning
experience for the children who are experiencing hardships
in mathematics.

University

Daegu Catholic Univ

Daegu Catholic Univ
Daegu, South Korea

University

Kei-myung university

Kei-myung university
Deagu, South Korea

University

Hannam university

Hannam university
Deagu, South Korea

Design

Daegu Catholic Univ

Daegu Catholic Univ
Daegu, South Korea

Chan Je, Jo

Design

Kei-myung university

Kei-myung university
Deagu, South Korea

Seung hwan, Roh

Design

Hannam university

Hannam university
Deagu, South Korea

Narae, park