iAbacusLite app for iPhone and iPad

Abacus, an intelligent invention from ancestors, was commonly used in daily calculation in Japan, Taiwan, China and other Asian countries before the electrical calculator gets popular. Until now, an abacus is still used as a key learning aid for children in learning calculation.

iAbacus Lite features:
- 8 columns of beads. Each column includes 1 bead in the top and 4 beads in the bottom.
- A marker for decimal point and another marker for thousands digit
- Display of calculation result
- Resetting abacus by shaking iPhone
- Sound effect when dial the bead, could be turn ON or OFF
- Retina display supported

iAbacus Full version also features:
- Bead lock
- Resetting abacus button
- Removed Ad

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前人智慧結晶的算盤, 在計算機普及之前, 是日本、台灣、中國與其他亞洲國家最常使用的計算工具. 一直到現在, 算盤仍舊是學齡兒童在學習計算時很重要的輔助工具.

Lite版愛算盤模擬日式一四珠算盤, 提供了:
- 8檔算珠, 每檔一上珠四下珠
- 小數點及千位數標記
- 同步顯示算盤上表示的數字
- 搖動iPhone重置算盤
- 可開啟或關閉的算珠撥動音效
- 支援Retina高畫質顯示

完整版愛算盤除了上述功能之外, 另外提供了
- 算珠鎖定功能
- 重置算盤按鍵
- 移除廣告後更清爽的畫面