How do you convert a simple spreadsheet calculating a commission to an app?
There's more than one way to do it and what you choose depends on your
preferences. Our new sample app demonstrates three strategies.
Our new sample app is a calculator for shared household expenses. It enables
users to define recurring expenses in one panel and fields for those expenses
are then created in another panel. This app demonstrates formula-driven
If only some users need to use a large number of fields, start off by showing
only a few and give users the ability to add or remove fields using plus and
minus buttons. We demonstrate this technique using a sample app that
calculates a grade point average (GPA).