![](http://www.alamy.com/thumbs/6/69973DD9-D16E-4E2B-8C63-76B77E448459/G15GB1.jpg)
Historical engraving from 1523 depicting a professor using a calculating board and stones to show a student how to do arithmetic. Published in Basel by A. Petri, 1523.
Historical engraving from 1523 depicting a professor using a calculating board and stones to show a student how to do arithmetic. Published in Basel by A. Petri, 1523.
Size: 2559px × 3588px
Photo credit: © Photo Researchers / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: 1500s, 16th, adding, arithmetic, art, artwork, board, calculating, calculation, century, color, device, drawing, engraving, enhance, enhancement, historic, historical, history, illustration, learning, male, man, math, mathematical, mathematics, medieval, people, person, portrait, print, professor, science, stone, student, teacher, tool