How to make a adjustable stepped "stairs" math function?
Like this one, including the adjustable stair corners:
This was a great answer but the smoothness of the steps needs to be animatable also.
By using that function mentioned in the image of the question and this below information I was able to make the nodes in Blender geometry nodes:
Here are the essential nodes:
Here's a video of it in action.
Simple example .blend:
The video's .blend: