flowchart LR
  Start[Start]
  Stop[Stop]
  Start --> Plus([<tt>+</tt>]) ---> Stop
  Start --> Minus([<tt>-</tt>]) ---> Stop
  Start --> Star([<tt>*</tt>]) ---> Stop
  Start --> Slash([<tt>/</tt>]) ---> Stop
  Start --> Div([<tt>div</tt>]) ---> Stop
  Start --> Mod([<tt>mod</tt>]) ---> Stop
  Start -->|&nbsp;#40;1#41;&nbsp;| Power([<tt>**</tt>]) --> Stop

  style Start fill:#44E
  style Stop fill:#E44