Ko Abacus , Korean Abacus & Mental ArithmeticKoAbacus 1.0.53 - Korean Abacus & Mental ArithmeticThe abacus is a calculating tool that was in use cen
Version
1.0
Package Name
aboard.and.koabacus
Category
Educational Learning
Size
1.13MB
Release Time
February 13, 2025
Ko Abacus , Korean Abacus & Mental Arithmetic
KoAbacus 1.0.53 - Korean Abacus & Mental Arithmetic
The abacus is a calculating tool that was in use centuries before the adoption of the written modern numeral system and is still widely used by merchants, traders and clerks in Asia, Africa, and elsewhere.
* button function
6,5,4,3,2,1 : - positional number
+ , - , x , / : the four arithmetical operation & new number genernation
9, 8, 7, 6, 5 : bounds
stat & end : result
* Menu Button
- Auto Test : Count, Delay
- Speech : Start, End, +, -, *, /
- Sound : Click Sound
* Start Button LongClick - Abcus Clear
* Menu Button LongClick - Volume Control (4.0 ~)
* [-] [x] [/] button LongClick - Auto Mental Arithnmetic
Download APK(1.13MB)