A slide rule for math isolated on white background.

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Size: 5472px × 2562px
Photo credit: © Roland Magnusson / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: background, calculate, calculator, color, engenering, image, isolated, math, method, object, objects, obsolete, people, plastic, rule, slide, tool, tools, vintage, white