Magic abacus

Learn the Japanese soroban by running a market stall.

Controls

- Click or tap a bead to flick it, or drag it up or down

Credits

- Lesson texts: "Using an Abacus", Wikibooks contributors, CC BY-SA 4.0 

- Sprites, sounds and particles: Kenney (kenney.nl), CC0

- Font: Noto Sans by Google, SIL Open Font License 1.1