Download KoAbacus - Mental Arithmetic APK latest version Free for Android
| Version | 1.0 |
| Update | 7 months ago |
| Size | 1.13 MB (1,185,000 bytes) |
| Developer | aboard |
| Category | Apps, Education |
| Package Name | aboard.and.koabacus |
| OS | 2.3 and up |
KoAbacus - Mental Arithmetic APPLICATION description
Ko Abacus , Korean Abacus & Mental Arithmetic
KoAbacus 1.0.49 - 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
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
↓ Read more
Old versions
| Version | Size | Update |
|---|---|---|
| ⇢ 1.0 (12 variants) | ↓ 2.04 MB | ◴ 8 years ago |
