M$ft XL developer here. I attended a conference to meet our Excel guru users and it's fairly impressive what these non-coders achieve. Excel is like an operati

M$ft XL developer here. I attended a conference to meet our Excel guru users and it's fairly impressive what these non-coders achieve. Excel is like an operating system to them, and they even create Excel files to "debug" there other Excel files, e.g. debugging the order of formula calculation and validating the output at each step in their property assets spreadsheets - without using any VBA