KoAbacus - Mental Arithmetic
Free App
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About KoAbacus - Mental Arithmetic
KoAbacus 1.0.41 - 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
* StartButton LongClick - Abcus Clear
* PlusButton LongClick - Volume Control (4.0 ~)
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
* StartButton LongClick - Abcus Clear
* PlusButton LongClick - Volume Control (4.0 ~)
All Application Badges
Free
downl.
downl.
Android
2.3+
2.3+
Android app
App History & Updates
What's Changed
click sound menu
click sound menu
More downloads KoAbacus - Mental Arithmetic reached 10 000 - 50 000 downloads
More downloads KoAbacus - Mental Arithmetic reached 5 000 - 10 000 downloads
What are users saying about KoAbacus - Mental Arithmetic
M
by M####:
by M####:
I am studying ucmas is 2 level and some confusion then I take help
M
by M####:
by M####:
Loveo
M
by M####:
by M####:
I am studying ucmas is 2 level and some confusion then I take help
M
by M####:
by M####:
its good & mentally powered mind use it
W
by W####:
by W####:
I can't learnt maths easily then I join ucmas I practice with this app now it is possible to learn maths ........u also installed this app........bye...byeeeeeeeeeeeeeeeeee......
U
by U####:
by U####:
Ucmas is good for maths
C
by C####:
by C####:
Good apps, but i don't know how to use abacus to calculate.
Y
by Y####:
by Y####:
How it's fun …!
K
by K####:
by K####:
Excellent application but please fix layout issue in nexus 7, the lower half of the lower beads is truncated by the box and not displayed. This issue is not repro in my sony experia U. Also please consider adding more bounds and releasing a payable version without ads.
by M####:
While the lower screen is clear, the upper part is confusing and how to use is unclear at once, needs time to get how it works but not clear. Not good for kids learning this either!