# Cubic spline interpolation

From JSXGraph Wiki

**Under Construction** -- NOT YET WORKING

Constructs a cubic spline through given points. Points can be added by clicking on "Add point".

### References

### The underlying JavaScript code

```
function addPoint() {
p.push(board.createElement('point',[(Math.random()-0.5)*10,(Math.random()-0.5)*3],{style:6}));
board.update();
}
```