Abacus
An educational Abacus app for Android devices.免費玩Abacus APP玩免費免費玩Abacus AppAbacus APP LOGOAbacus APP QRCode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AndroidGoogle Pl...
An educational Abacus app for Android devices.免費玩Abacus APP玩免費免費玩Abacus AppAbacus APP LOGOAbacus APP QRCode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AndroidGoogle Pl...
The abacus (plural abaci or abacuses), also called a counting frame, is a calculating tool that was in use centuries before the adoption of the writte...
用它來為你的孩子Rekenrek此外,在學校學習簡單的減法。可以移動的珠子。讓孩子簡單的加法和減法的款項!免費玩Abacus APP玩免費免費玩Abacus AppAbacus APP LOGOAbacus APP QRCode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AndroidGo...
Indian Abacus Mental Arithmetic Education for Brain skills:The Abacus over the last 2000 years had evolved to the modern but still a manual version po...
This abacus was created by John Napier of Merchiston in 1617 for calculation of products and quotients of numbers. The method was based on Arab mathem...
Abacus is a wonderful mathematical instrument used for calculation. This app will help your children learn about Abacus, Numbers, Counting, Addition, ...
Added abacus ability to the Abacus Display Calculator.免費玩Abacus Calculator APP玩免費免費玩Abacus Calculator AppAbacus Calculator APP LOGOAbacus Calculator A...
Learn the Abacus and expand your brain power!The Soroban Abacus is a calculating tool in use for over 4,000 years. Abaci are often constructed as a ba...
See time in a completely original way! This digital Android clock tells time through the oldiest mathematical medium know to man--the abacus. Includes...
Are you an auto-crosser? Sick of remembering all those PAX modifiers? Wondering what time you need to beat your arch rival? Wonder no more!PAX Abacus ...