1 \ dependence of the value required for the field, separated by commas:
x_studio_, x_studio__1, x_studio_03
2 \ computational logic:
for record in self:
record['x_studio__3'] = record.x_studio_/(record.x_studio_+record.x_studio_03)
note:
The second line to an empty four-frame.
Crane from ah:
Walter:
x_weight,x_studio_wg,product_uom_qty
Walter:
for record in self:
record['x_weight']=record.x_studio_wg*record.product_uom_qty
Manabu wear uniform picture: