This week's tutorial covers a number functions in Google's Spreadsheet app, Google Sheets. Here we take a practical look at using weekdays in calculations, introduce "if" statements and learn how to ...

Not everyone is an Excel spreadsheet expert and you may not always know how to write the formulas you need for a given data set. If you're having trouble figuring out the right formula for your data ...

Economics is the study of the use of economic resources in the marketplace. Free market economies often rely on this information to gauge current economic conditions. Economic analysis is a primary ...

Physicists are now using principles from quantum mechanics to build a new model of the abstract concept of pi. Or, more ...

We present in this paper general formulas for deriving the maximum likelihood estimates and the asymptotic variance-covariance matrix of the positions and effects of quantitative trait loci (QTLs) in ...