You can buy this project and download/modify it how often you want.
tree lbl8 1.0 lbl9 z lbl6 sin lbl7 mul lbl6->lbl7 lbl7->lbl8 lbl7->lbl9 lbl0 mul lbl0->lbl6 lbl1 div lbl0->lbl1 lbl4 cos lbl1->lbl4 lbl2 cos lbl1->lbl2 lbl5 π lbl4->lbl5 lbl3 1.0 lbl2->lbl3
