An Abacus (Childs toy)

---

Size: 7360px × 4912px
Photo credit: © Bill Robinson / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: abaci, abacus, abacuses, adding, addition, arithmetic, calculations, calculator, childrens, counting, devices, education, educational, frame, learning, manual, mathmatics, methods, numbers, schooling, schools, simple, suanpan, teaching, timeless, toys, tutorial, tutoring