This program allows you to practice Mental Arithmetic.
- Mental Arithmetic Feature Summary -
1. Select Language (Korean, English, Japanese, Chinese)
2. Select Operator (Addition, Addition and Subtraction)
3. Set of Digit range
4. Select Number of questions
5. Select Number of items in the question
6. Time check
7. Time limit (minutes)
8. Hide status bar
9. Sound Effects On / Off
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