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abacus

UK
/ˈæb.ə.kəs/
US
/ˈæb.ə.kəs/

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1
How transistors work - Gokul J. Krishnan
like the abacus
mathematics
abaque
L’abaque est donné comme exemple d’un ancien dispositif manuel de comptage.
How transistors work - Gokul J. Krishnan
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