Fragmenting your data across many Excel tabs is a common habit that silently kills file performance, introduces hidden errors ...

Excel offers no such constraint. If someone is determined to enter bad data, they can simply paste values over a validated ...

The chancellor is to trim tax breaks on salary sacrifice schemes that allow workers to make pension contributions without paying national insurance, reports suggest. Read this and stick with us as ...

Abstract: The linear–quadratic mean field social control problem is studied in a large-population system with heterogeneous agents following the direct approach. A graph is introduced to represent the ...