Multiplication times table 914 views
n addition, I was equipped with flash mental calculation function.
It becomes "fixed number of digits to one digit, two-digit, three-digit," "number of questions to 10 questions", "up to about 1 to 0.7 second display time" and "only addition" in the standard.
"The number of digits can be set at a minimum to a maximum of the 1-7 orders of magnitude," "number of questions to 30 questions", "up to about 1 to 0.2 seconds to display time", "addition and subtraction" when you can purchase the release function within the app it becomes.
