Tests in three portions
The subject matter is divided into three sections.
You can practice multiple choice questions for each section. You will always get 10 questions. If you score and 8 or higher, then you will get an extra point added to the test page.
Complete Test, chapter 1 - 24
The bottom button will bring you to questions about all the chapters. You will get 20 questions. If you score a 16 or higher, you will get an extra point.
The flashing icon in the menu bar indicates that your teacher asks you to do a test. 
The scribble shows you what test you are supposed to do.
One question as an example
The subject matter is divided into three sections.
You can practice multiple choice questions for each section. You will always get 10 questions. If you score and 8 or higher, then you will get an extra point added to the test page.
Complete Test, chapter 1 - 24
The bottom button will bring you to questions about all the chapters. You will get 20 questions. If you score a 16 or higher, you will get an extra point.
The flashing icon in the menu bar indicates that your teacher asks you to do a test. The scribble shows you what test you are supposed to do. One question as an example
Always finish the complete test, otherwise the program will not remember your score.