價格：免費
檔案大小：1.9 MB
版本需求：需要 iOS 3.2 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
Ad supported version.
The abacus app let's you count old school style. With a sophisticated device that can have any number of scientific calculators, why would you want an ancient abacus? Because you can. This is the ultimate abacus for the iPhone, iPod touch and iPad.
Features:
8 columns of beads for iPhone and iPod touch
10 columns of beads for iPad
2 beads for upper section
5 beads for lower section
Multitouch enabled - use more than one finger to push more than one bead at a time
Move a single bead or multiple beads with a touch
Flick beads with a quick motion
Gravity/Acceleration enabled just tilt to move beads up or down or to reset
Even responds to static and kinetic friction between rods and beads
Real abacus 'click' sounds
Wood grain textures for beads and frame
Metal texture for rods
支援平台：iPhone, iPad