--- title: "Formula" url: "https://help.maxon.net/c4d/en-us/Content/html/NET_MAXON_NEUTRON_NODE_PRIMITIVE_CURVE_FORMULA.html" section_path: "The Node Editor > The individual Assets > Geo Spline > Formula" element_id: "NET_MAXON_NEUTRON_NODE_PRIMITIVE_CURVE_FORMULA" description: "This page refers to the Formula node primitive of the Scene Nodes system in Cinema 4D. It plots mathematical functions as spline geometry — exact …" --- # Formula > **Note:** **What is it about?** > > This page refers to the **Formula node primitive** of the Scene Nodes system in **Cinema 4D**. It plots mathematical functions as spline geometry — exact procedural curves defined by expressions. ![Image: R25_Formula.jpg](https://help.maxon.net/c4d/en-us/Content/Resources/Images/R25_Formula.jpg)\ The preset formula creates a sinus wave, but also much more complex curves can be created.