Calcula Pro

Calcula Pro is an innovative desktop app. It helps in designing, implementing, documenting, presenting, quoting and storing unfinished goods, insurance premiums, taxes and many others.
Spreadsheets not enough? Meet Calcula Pro, the tree-based calculator.
Cross-platform tree-based alternative to spreadsheets, with releases for all the major platforms (Linux, Windows and MacOS)
It is available in the Snap Store and GitHub.