Mathematicus Imperial Dozen Mini

🧮 Mathematicus Imperial Dozen Mini The 12×12 Multiplication System The Mathematicus Imperial Dozen expands the proven mechanical learning concept to a complete 12×12 multiplication system. Instead of the traditional 10×10 table, this version covers the extended number range up to 144 — making it ideal for deeper arithmetic practice and for working within the dozenal (base-12) mindset. This compact mechanical calculator makes multiplication visible and tangible. By adjusting two sliding scales, the selected factors intersect and the result can be read instantly — no batteries, no display, no apps required. 🔢 What makes the Imperial Dozen special? ✔ Extended range up to 12 × 12 = 144 More comprehensive than standard 10×10 multiplication tables. ✔ Designed for dozenal thinking Perfect for mathematical concepts involving the 12-based (Imperial / Dozenal) system. ✔ Hands-on learning The mechanical sliding mechanism reinforces understanding instead of simple memorization. ✔ Compact & durable A sturdy design suitable for classrooms, homeschooling, or any maker’s desk. ✔ 3D-print optimized All components are designed for clean, reliable printing and easy assembly. 🎯 Who is it for? Students progressing beyond the basic 10×10 multiplication table Educators and parents seeking tactile learning tools Makers who appreciate functional mechanical designs Enthusiasts of the 12-based number system The Mathematicus Imperial Dozen combines classic arithmetic with modern 3D design — expanded, thoughtful, and fully committed to the 12×12 format.     🧮 Mathematicus Imperial Dozen Das 12×12 Multiplikations-System Der Mathematicus Imperial Dozen erweitert das bewährte mechanische Lernkonzept auf das vollständige 12×12-System. Statt der klassischen 10×10-Tafel bietet dieses Modell den erweiterten Zahlenraum bis 144 – ideal für vertieftes Rechentraining und das Arbeiten im Dutzend-System. Dieses kompakte, mechanische Lernwerkzeug macht Multiplikation sichtbar und greifbar: Zwei verschiebbare