Jupyter notebook is a regression from Excel, at least Excel computes the dependencies between the cells. With Jupyter, you have to be careful in the order you e

Jupyter notebook is a regression from Excel, at least Excel computes the dependencies between the cells. With Jupyter, you have to be careful in the order you evaluate the cells. And both falls on the floor the minute you want to use a spreadsheet/notebook as a library of functions, i.e it's not composable.