Abacus symbol

abacus symbol, counting frame symbol, abacus icon, abacus illustration, abacus drawing, abacus figure, abacus emblem, abacus motif, abacus design, abacus graphic, abacus art, abacus representation, abacus sketch, abacus silhouette, abacus picture, abacus badge, abacus mark, abacus logo, abacus object, abacus tool, abacus calculator, abacus counting tool, abacus beads symbol, abacus math icon, abacus counting frame, abacus educational symbol, abacus learning tool, abacus school icon, abacus arithmetic symbol, abacus counting beads, abacus math learning, abacus teaching symbol, abacus numeric tool, abacus ancient calculator, abacus traditional tool, abacus number symbol, abacus calculation icon, abacus mental math, abacus knowledge symbol, abacus study tool