How to grade?

<script src="https://cdn.rawgit.com/knsv/mermaid/0.3.0/dist/mermaid.full.js"></script>
 
 
 
### How to grade?
 
<div class="mermaid">
graph TB
    A(Dashboard) -->|Click| B(Start Grading)
    B --> C>Grading Grid] 
    C -->|Click| E(Grading tips)
    E -->|Read tips<br>|G(Click closes tips)
    C -->|Click| F[Question Tile]
    F --> H((Grading Interface))
    H -->|z or Click|J(Pen Mode)
    J --> K(Press mouse<br>down to draw)
    H -->|Click or V|L(Comment Mode)
    H -->|Click or x| M(X Mode)
    H -->|Click or c| N(Check Mode)
    H -->|Keypad or numbers| O(Enter Score)
    J -->|double-click|L
    L -->|Click| P(Markdown/Mathjax<br>comment text)
    M -->|Click| Q(Drop X)
    N -->|Click| R(Drop Checkmark)
    style A fill:#867cb8,stroke:#333,stroke-width:0px;
    style B fill:#8bc341,stroke:#333,stroke-width:0px;
    style E fill:#ccf,stroke:#f66,stroke-width:2px,stroke-dasharray: 5, 5;
    style H fill:#aa5f9f,stroke:#333,stroke-width:0px;
    style J fill:#40a8c3,stroke:#333,stroke-width:0px;
    style M fill:#40a8c3,stroke:#333,stroke-width:0px;
    style N fill:#40a8c3,stroke:#333,stroke-width:0px;
    style O fill:#40a8c3,stroke:#333,stroke-width:0px;
    style L fill:#40a8c3,stroke:#333,stroke-width:0px;
    
 
</div>