noun, masculine/paɡˈtometɾo/plural: pactómetros
coalition builder (tool, app or program that is a calculator that allows calculating the sums of Members of Parliament between the parties for possible government pacts, after knowing the results of an election)
From pacto + -metro. Term coined by the Spanish journalist Antonio García Ferreras in the special news program Al Rojo Vivo in laSexta in the Spain general election on December 20, 2015.