![](http://www.alamy.com/thumbs/6/666CA718-7660-49C1-94B9-D807E0D6F740/AYPMC1.jpg)
An abacus and a pencil is placed on the papers with mathematical equations written on it
Size: 6373px × 4249px
Photo credit: © AllrightImages / Alamy / Afripics
License: Royalty Free
Model Released: No
Keywords: abacus, addition, angle, arithmetic, aufgaben, ausbildung, balls, bildung, bleistift, checked, color, columns, counters, day, equations, figures, front, grooves, group, high, horizontal, image, indoors, large, mathe, mathematics, mathematik, numbers, papers, papier, pencil, photography, pruefung, rechenaufgaben, rechenschieber, rechnen, rods, rows, rule, sheets, slide, sliderule, stift, stilleben, stillife, stillleben, study, symbols, table, tables, tablet, view, white, zettel