Add a custom calculations

Add a custom calculations
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NB PRODUITS A VENDRE
??rating.lastmodif?? 04/01/2016. ??rating.partinit?? sipito.
Expression:
({Dépenses|N})/({Prix de vente des produits|N})

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