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 ...

The tangent is defined as the single point where a straight line meets a curved surface. The tangent can be determined with a collection of mathematical formulas but is most commonly determined by ...

Formulas are powerful tools for performing calculations and analyzing data in Excel. In this beginner’s guide, you’ll learn how to use formulas and explore some popular built-in functions. One of the ...

Recently, I have been doing quite a bit of work involving the use of functions inside Excel spreadsheets. Although functions are probably most often used for computational purposes, functions can also ...

Anatomy of an Excel formula: Using functions to perform calculations Your email has been sent If you’re fairly new to Microsoft Excel, you’ve probably learned to enter data into cells to provide ...

How to turn complex formulas into easy-to-use custom functions using LAMBDA() in Excel Your email has been sent LAMBDA functions are new to Microsoft Excel. With LAMBDA functions, you can turn a ...

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 ...

The ease with which you can create a line graph in Excel on your PC or Mac will do much to dispel the misconception that the program is arcane and unapproachable. With just three clicks of a mouse (or ...