Add a custom calculations

Add a custom calculations
tonio523
resultat par produit
??rating.lastmodif?? 05/06/2018. ??rating.partinit?? ggoupil.
Expression:
({Recettes|N}-{Coût production|N})/({Nombre de produits vendus|N})

You are about to add a custom calculation.
For that purpose, please connect to your Simuland.net account by using the form below.