The well known Abacus, an excellent tool to teach your kids counting, maths operations and let him play with numbers.How to use:1- The beads in the lower part have the following values: we assign the beads in the rightmost column a value of 1. Then we subsequently assign a value of 10 to the column to its left, and a value of 100 to the column further left and so on and so forth.2- The beads in the upper part are worth five times the value of the beads in the lower part.3- The value of the abacus will be given in the total field, and each column's value is given under the column.
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| 熱門國家 | 系統支援 | 版本 | 費用 | APP評分 | 上架日期 | 更新日期 |
|---|---|---|---|---|---|---|
| 未知 | iOS App Store | 1.0 App下載 | 免費 | 2013-07-12 | 2015-06-04 |
