The first number can have from 1 to 9 digits.
The second number can have from 1 to 5 digits.
It is possible to set it in setup.
Press yellow box for clear board.
The green box is position of the cursor.
Red boxes show errors.
The same number clear the box.
Examples are stored in history.
They can be deleted in setup.
Latest Version
1.04Uploaded by
Nguyễn Thu Diệp
Requires Android
Android 2.2+
Category
Free Education AppContent Rating
Everyone
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Flag as inappropriateLast updated on Apr 15, 2016
1.04
error correction
1.03
new buttons