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ABACUS — image 1
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ABACUS

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Devices that are made as mechanical four function calculators in the ancestral age

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Category
Math
License
Creative Commons — Public Domain

Ancient abacus otherwise mechanical calculators usually four function calculators are for nowadays probably kid toys for their numeracy skills. CAUTION: Choking

Find some crafting sticks in stores or dried leftover popsicals sticks before assembly otherwise slotnut and 16_40 profile is provided for assembly. Should be a DIY abacus, so doesn't have to be exactly one on the photo as instructions are bare minimal.

Do some quizzes like these for fun with your kids or otherwise self explanatory to improve on numeracy skills.

Use this for decals and reference for the abacus assembly. According to this diagram (right) you will need 10 sticks and 100 beads (one column should contain 10 beads for 0 to 9), I guess treat like a spreadsheet for later aged generation learning.

Nowadays our calculators are evolved to electronically powered in our digital and computer age, you can add an layer for hexadecimal calculations as you desire, so A to F. 

Yes Your Abacus does Hexadecimals 

Thanks

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