Excel is a quite powerful mix of declarative programming (formulas in cells), and imperative programming (VBA procedures, event triggers, etc). If you're not re

Excel is a quite powerful mix of declarative programming (formulas in cells), and imperative programming (VBA procedures, event triggers, etc). If you're not ready for it, it'll break your brain. The main danger in Excel is that any area of a sheet can be treated as a pseudo table.... except it really isn't, and you can inadvertently sort some fields, while leaving the others alone, effectively scrambling your data.