Let's calculate with the Japanese abacus!
Japanese Abacus SOROBAN Application
Soroban is the Japanese abacus. In this app, you can enjoy addition and subtraction game and practice of soroban.
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Source Manifest.json
"\ufeff{"update_url":"http://clients2.google.com/service/update2/crx", "name": "Japanese Abacus SOROBAN", "description": "Let's calculate with the Japanese abacus!", "version": "1.2", "manifest_version":2, "app": { "urls": [ "http://game-cafe.net/topindex.php?id=soroban&genset1=brain" ], "launch": { "web_url": "http://game-cafe.net/topindex.php?id=soroban&genset1=brain" } }, "icons": { "128": "soroban_128.png" }, "permissions": [ "notifications" ]}
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