Abacus Illustration - Classic Calculation Tool for Education and History #1778039 (License: Personal Use)

This hand-drawn illustration depicts a traditional Chinese-style abacus (suanpan) with five lower beads and two upper beads per rod, arranged in a tilted rectangular frame. The image is rendered in clean, precise linework, emphasizing structure and function over ornamentation, and includes a small artist signature “m©” in the lower right corner. It conveys both utility and nostalgia, suitable for pedagogical or historical contexts.

Used on educational websites, math history articles, classroom resources, or museum digital exhibits to visually explain pre-digital calculation tools; targets users seeking visual aids for teaching arithmetic, cultural heritage, or STEM history.