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 ...

In this part you do not have to sketch the graph and you may even be given the sketch of the graph to start with. For a quadratic equation of the form \(y = k{(x - a)^2} + b\), the following diagram ...

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 ...

Have you ever found yourself staring at a sprawling Excel spreadsheet, overwhelmed by rows and columns of data that seem impossible to manage? You’re not alone. Despite its reputation as a workplace ...

A formula is a spreadsheet function entered in a cell, complete with its arguments. They're one of the two or three major applications that first spearheaded the acceptance of the personal computer in ...

Slow lookup formulas can kill productivity when working with large datasets. To cope with that, I've tested Excel's optimal lookup functions and their combinations for building lightning-fast formulas ...

National 5 Determine the equation of a quadratic function from its graph Test questions The equation of a a quadratic function can be determined from a graph showing the turning point and another ...

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 ...

Among many Excel features, there are some hidden features that are easy to use and you may not know all of them. Without any further delay, we will look at 5 such Excel features. Sparklines were first ...