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