According to the forgetting curve algorithm, calculate the time it takes for a word to awaken memory;
You can import word files by yourself in excel format. When recalling words, there are 3 input methods: handwriting, keystrokes, and simple answer.
Google digital ink technology is used to recognize handwriting letters, so the first time you run the program, your phone needs to be able to connect to the Internet to download the recognition data.
Use standard xls files to import word definitions. After books are imported, they can be loaded and unloaded.
In addition to importing custom English words, you can also define vocabulary books for other subjects.
Embedded are the words for high school compulsory course 1, compulsory course 2 and compulsory course 3.