A short guide to the 5th lower bead

A short guide to the 5th lower bead V2.pdf

Read also

The Five Bead Advantage - demonstrating how a 5th earth bead has its advantages. By Hannu Hinkka and Totton Heffelfinger.

See the 5th bead in action with these two slide sets

Using the 5th lower beadUsing the 5th lower bead According to: Computational Methods with the Beads in a Tray (Pánzhū Suànfǎ 盤珠算法) by Xú Xīnlǔ 徐心魯 (1573) Part 1: addition

Using the 5th lower bead 2Using the 5th lower bead According to: Computational Methods with the Beads in a Tray (Pánzhū Suànfǎ 盤珠算法) by Xú Xīnlǔ 徐心魯 (1573) Part 2: subtraction

You can also practice it online

with Soroban Trainer and this file: 123456789-5bead.sbk (19KB text)

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