# Sample programs The `.code` files in this directory are sample programs that demonstrate the full feature set of Codeable. | Sample Program | Requirements Demonstrated | |----------------|---------------------------| | `hello_world.code` | 1c, 2, 5 | | `factorial.code` | 1a, 1b, 2, 4b, 5 | | `fibonacci.code` | 1a, 1b, 1c, 2, 3a, 3b, 4b, 5 | | `quadratic_formula.code` | 1b, 2, 5 | | `range_count.code` | 1b, 2, 4a, 4c |