Description

Slide Abacus

Slide Abacus:

These come in different designs. For any particular abacus design, there usually are a numerous different methods to perform a certain type of the calculation.  Although today many use calculators and computers instead of abacus to calculate, but Some people who are unable to use a calculator because of the visual impairment may use an abacus for calculations. Some of these methods may work with the non-natural numbers (numbers such as 1.5 and ​³⁄₄) .

Specifications:

• A traditional Abacus with beads in 5 colors and the number grids horizontally and vertically.
• Complete with the product guide.
• Size: 23 cm x 15 cm.

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