Try to answer the following questions about numbers and buttons and don`t be sad it you get zero points 
What does 1 mean?
- full effekt
- no effekt
- depends on the situation
What is meant if you see a button with numbers between 0 -1
- gradiants
- RGB values
- blenderunits
- none of it
- depends on the situation
Find the button where 1 means linar, 2 quadratic and < 1 extract the root
Find bottons with numbers which increase
- linear
- multiplication
- exponential