1, the horn abacus is hard in texture, not easy to wear, and suitable for long-term use. Its beads are slightly larger than the sea yellow abacus, and its feel is heavy, which is suitable for occasions with fast calculation speed. Moreover, the cost of the horn abacus is lower and the price is cheaper than the sea yellow abacus.

2. The sea yellow abacus is natural, clear and transparent, precious and beautiful, with good visual effect. Beads of sea yellow abacus are slightly smaller than those of ox horn abacus, and feel lighter, which is suitable for long-term use. The material of sea yellow abacus is precious, and the price is much higher than that of ox horn abacus.