add partials mermaid
[1].
  flowchart TD
		A([Mulai])
		B[/a, b, c/]
		C[D = bxb - 4ac]
		D{D >= 0}
		E[x1]
		F[x2]
		G[/x1, x2/]
		H([Selesai])
		A --> B --> C --> D
		D -- Ya --> E --> F --> G --> H
		D -- Tidak --> H
		style A fill:#f9f,stroke:#333,stroke-width:4px
		classDef decision stroke:#f88
		class D decision