This paclet contains a collection of tools for the visualization, simplification and computation of Feynman diagrams in scalar field theories. It also provides the symmetry factors for the

O(Ν)

and cubic models and the numerical values of the series for the 0, 2 and 4-point functions at zero external momentum in three dimensions.

We consider the models defined by the Hamiltonian

for the

Ν

-component field

ϕ

i

. For

d<4

the theory is super-renormalizable and only a finite number of diagrams are divergent. Within this paclet we adopt the following renormalization scheme, aimed at making the fixed dimensional computations as easy as possible