Chains of reasoning or calculations arise where one statement depends on another, which in turn depends on another. In evaluating a circular chain of reasoning, the calculations are form a circle.
In some cases circularity generates an error. In others, circularity in spreadsheets is used intentionally to solve critical issues. Although it may be easy to get answers from a spreadsheet, it may be difficult to get the right answers when circularity in spreadsheets is involved. (more…)