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 ...

Microsoft Excel 2010 features a tool set that offers you the option of performing assorted functions on your data, including turning that data into a graph. Your Excel graph will be inserted into your ...

Excel is probably Microsoft’s most popular developer tool. With a built-in functional programming language that now supports lambdas and variables, Excel has become a tool that people build businesses ...

If you understand the definition of a mathematical function, a good way to judge it is that any line drawn parallel to the y-axis intersects with the values in the function’s curve only once. The same ...

I have a list of approx 3000 dates, across a range of about 8 weeks, so there are many many duplicates. I want to produce a graph showing how many of each date there is in the list. The list changes ...

Excel spreadsheets do so much, from making lists to crunching numbers to acting as sophisticated flat-file databases. We’re creating this guide to make sure you master all the essentials and more.