Caldera is great. Unfortunatly since I have a complex pricing structure I need many conditions which slow down my form drastically (it needs up to 10 seconds to recalculate after a checkbox).
Maybe you could implement the possibility to add a function in the “manual calculation” like it is in calculated fields form (https://wordpress.org/support/topic/struggling-with-formula-that-requires-if-statement).
If you want to see my current form (with Caldera) you can see it here:
http://www.libraconsult.at/honorarrechner/
http://www.libraconsult.at/honorarrechnerv2/