Fixing a spreadsheet formula

We have done a little theorising on complexity of working with a simple functional language. Although not necessarily famed for being a functional language, we are looking at spreadsheets and applying a classical model of human performance known as the Keystroke Level...

Before Modelling …

Developing spreadsheets involves is a balancing act between how much you express in formulae within a single cell and how much you break-up formulae across a number of cells. In many cases a single formula captures much of what needs to be computed, but it is so...