european abacus counting frame

navigate by keyword : abacus aid arithmetic background beads calculating colored colorful counting education elementary european exercising frame illustration isolated mathematics metal numeral rainbow school sliding spectrum symbol system teaching tool toy white wires wooden

European abacus sample calculation Royalty Free Stock Photo

European Abacus Wooden Balls Royalty Free Stock Photo

Old fashioned bearded man counts on retro abacus, studio shot, monochrome effect. Counting frame tool Royalty Free Stock Photo

Concept: old-fashioned financial auditor with retro wooden abacus, studio shot, yellow background. , clipping path Royalty Free Stock Photo

Concept: old-fashioned financial auditor with old wooden abacus, retro background. Clipping path man Royalty Free Stock Photo

Old fashioned bearded man with retro abacus, studio shot. Isolated on gray background, with clipping path Royalty Free Stock Photo

Old fashioned bearded man counts on retro wooden abaci, studio shot. Isolated on white background, with clipping path Royalty Free Stock Photo

Old fashioned bearded man with retro wooden abacus, studio shot. Isolated on blue background, with clipping path Royalty Free Stock Photo

European abacus counting frame. Calculating tool with rainbow colored beads sliding on wires. Used in pre- and in elementary schools as an aid in teaching the numeral system and arithmetic or as toy.