Re, in fact I want to create a dosage calculator for e-cigarettes like this one for example: https://www.e-liquide-fr.com/calculateur-diy .
Here is the diagram of my formulas:
Result 1: fieldname9-fieldname6-fieldname7
Result 2: fieldname10*fieldname9
Result 3: (fieldname11*fieldname9)/20
This is the only formula I know of for the dosage: s