Using relative and radiometric dating methods, geologists are able to answer the question: how old is this fossil?

How to calculate an inventory item using First In, First Out (FIFO) and Last In, First Out (LIFO)—and consider the results of each on the balance sheet.

Computational methods articles from across Nature Portfolio Computational models are mathematical models used to numerically study the behaviour of complex systems by means of a computer simulation.

Last in, first out (LIFO) is a method used to account for inventory that records the most recently produced items as sold first.