Online Abacus - Online Calculator - Full Screen Free Online Abacus
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The basic abacus below is a very simple way to show numbers from 1 to 50. This was requested by a primary school teacher. We will soon be adding some new abacus features, such as showing the numbers in hundreds, tens, and units. We will also be adding a Chinese Abacus.
Online-Calculator.com requires Adobe Flash to be installed for this page to work correctly. You can get Flash Here.