How to use:

• The From dropdown selects the start of the range of the letters you want to practice
• The To dropdown selects the end of the range of characters you want to practice
• Timeout indicates the amount of time in seconds after which the answer will be displayed on the right
• Wait indicates the amount of time the answer will be kept on the screen before the next question is displayed
• When you click Start, a random kana letter from the range you selected will be displayed in its Romaji form on the left and it will stay there for Timeout seconds, after which its Kana will be displayed on the right side, which will stay for Wait seconds after which the next letter will be chosen
• You're supposed to practice by writing kana for that Romaji letter in your notebook before the timeout occurs
• After starting the test you won't be able to change any options before stopping it