For Framer

The initial version provides functions for calculating angles and lengths such as Hip, Valley, etc. required for roof foundation, and the functions are continuously expanded for user convenience.

In version 1.0.0, the Stair calculation function for straight staircase design was added.
The user only needs to input Total Rise and Total Run, and the following items will be automatically calculated:
- Stair Angle (Stair incline angle)
- Stringer Length (Stringer length)
- Step Count (Step count)
- Step Rise (Step height)
- Step Run (Step depth)