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Abacus

technology Maturity 7-9

An abacus helps you count.

abacus 6.png
abacus 6.png
It has small beads on rods. You move the beads to do math. It does not need a plug or a battery. It is a fun way to learn numbers. Do you want to try counting with one?
Schoty abacus.jpg
Schoty abacus.jpg

47 words
🖼️ Images & Media (10)
File:Abacus_(PSF).png
Abacus_(PSF).png
File:Salaminische Tafel Salamis Tablet nach Wilhelm Kubitschek Numismatische Zeitschrift Bd 31 Wien 1899 p. 394 ff.jpg
Salaminische Tafel Salamis Tablet nach...
File:RomanAbacusRecon.jpg
RomanAbacusRecon.jpg
File:Houghton Typ 520.03.736 - Margarita philosophica.jpg
Houghton Typ 520.03.736 - Margarita...
File:Schoty abacus.jpg
Schoty abacus.jpg
File:abacus 6.png
abacus 6.png
File:Soroban.JPG
Soroban.JPG
File:Kugleramme.jpg
Kugleramme.jpg
File:Telraam.JPG
Telraam.JPG
File:Bbinary Abacus 002.jpg
Bbinary Abacus 002.jpg
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📚 Content adapted from Wikipedia | Readability: FK 12.0 | Vital Level 4