Brass Abacus Keychain

Brass Abacus Keychain

  • $8.64


A brass abacus key chain, perfect for the person that loves to fidget with their keys.

Dimensions: 2.5cm x 6cm x .5cm

An abacus is a calculation tool used by sliding counters along rods or grooves, used to perform mathematical functions. In addition to calculating the basic functions of addition, subtraction, multiplication and division, the abacus can calculate roots up to the cubic degree.

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