A mathematical function is a formula that takes an input, x, applies a set of calculations to it, and produces an output called y. By calculating a function at a large number of set intervals, it is ...

Whether presenting a project at school, delivering a critical report at work, or simply trying to make sense of your budget, graphs are efficient and visually appealing means of conveying complex ...

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Excel has over 475 formulas in its Functions Library, from simple mathematics to very complex statistical, logical, and engineering tasks such as IF statements (one of our perennial favorite stories); ...