abaci
abacus
abacuses
accounting
antique
arithmetic
business
calculate
calculation
chinese
counting frame
drawing
drawn
education
empire
engraving
etching
grunge
hand
history
illustration
inca
isolated
japan
math
mathematic
mathematical
old
retro
roman
russian
schoty
side view
sketch
sketching
soroban
souanpan
suan pan
suanpan
symbol
tableyupana
tool
traditional
vintage
world
yupana
定額
Abacuses around the world. Vector hand drawn illustration of the different abaci. Yupana – Inca Empire, Roman abacus, Schoty – Russian, Suanpan – Chinese and Soroban – Japan.の素材 [FY31076242013]
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