add en-US,and change [right] to [score]
fix bug for 2.x version in show formula
change done test background
My son is in second grade elementary school now. he is begin to study the multiplication now. I made this to help he remember the multiplication table .
Have Problem type is as follows.
-Order test of each stage
-Random order for each test stage
-Random order of test stage all
-The wrong question set
-Reverse-turn test and the order of 99 multiplication table
Then, I get the statistics information of total time,total count,time per question, the Correct rate,and draw in graphics. There will be easy to understand.
Not to forget the daily study, I also made the installation of the alarm.
Now, multiplication of the son should go well.
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