abaci
abacus
accounting
addition
ancient
antique
arithmetic
arithmetical
asian
background
bead
business
calculation
calculator
chinese
compute
concept
copy
count
device
education
equals
finance
financial
frame
instrument
learning
math
mathematical
mathematics
movable
move
numbers
numerical
old
problems
retro
rows
series
solve
space
subtract
subtraction
sums
tool
total
traditional
white
wood
wooden
定額
An abacus calculator for background and add text message.is a calculating tool that was in use in Europe, China and Russia, centuries. It are used to teach arithmetic. Education and Financial concept.の素材 [FY31091748349]
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