New feature. We now support calculation inputs for Project, Quotes,Tender, Purchase Order and Invoice:
- we support input types: number, financial and dates
- we support: arithmetic calculation, logical expression, text values
(ex. concatenate functions)
- inputs can be based on other inputs or archdesk data

Examples:
1. Calculation for due date: Invoice creation date + Input with payment
terms
2. Calculation for payment sconto: Invoice total x 2% discount (2% can
be taken from input or fixed value included in calculation)
3. Concatenate text: fixed text value "Supplier:" + Supplier name
data field