Keywords: abacus hat beads addition add sum computation Here I'm demonstrating add 8 and 8. In the previous step I added 10, and now I am subtracting 2. The final answer, 16, can be read off. CC0 waiver: To the extent possible under law, I waive all copyright and related or neighboring rights to this work. Here I'm demonstrating add 8 and 8. In the previous step I added 10, and now I am subtracting 2. The final answer, 16, can be read off. CC0 waiver: To the extent possible under law, I waive all copyright and related or neighboring rights to this work. |