Home » » Abacus

Abacus

Written By Unknown on Jumat, 24 Mei 2013 | 00.44



Abacus: a square or rectangular frame holding an arrangement of small balls on metal rods or wires, which is used for counting, adding and subtracting
Share this article :

Posting Komentar

Glitter

 
Support : Creating Website | Johny Template | Mas Template
Copyright © 2013. New Day - All Rights Reserved
Template Created by Creating Website Published by Mas Template
Proudly powered by Blogger