6000px x 4000px / JPG
A mechanical device for performing arithmetic calculations
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- math symbols
- abacus
- calculate
- mathematics
- mathematical symbols
- accounting
- counting
- background vintage
- antique background
- antique
- ancient
- ancient background
- accounting background
- background old
- business finance
- vintage
- economy
- background education
- finance
- financial
- texture vintage
- old texture
- background school
- old wood
- business concept
- school tools
- education
- sign wood
- school
- conception
- background wood
- old
- learning
- computer education
- wood work
