Does anyone know what this component is?

I clicked grasshopper “math” “set” but couldn’t find this component. Has anyone seen it? Can you tell me what this component is? Thank you.2020-03-07 03_12_41-簡報1 - PowerPoint


Extrude Linear

This is what i read
But it did not indicate the function of this component
So i don’t understand :sweat_smile:

Thanks :pray: