How to Format Numbers in Excel

Excel is, at its heart, a programme that manipulates numbers: so getting your numbers to appear as you want is an important skill. The appearance of a number entered in an Excel cell can be changed in many different ways. This blog post shows you...

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How to Forecast using Average Percentage Growth

Average percentage growth tells us how fast something has grown, and eventually forecasts the future through extrapolation.   There are different ways of calculating average growth in Excel (e.g. LOGEST, LINEST, lines of best fit, etc.) and some of these will give different results. Let’s take a...

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SUMIF Excel Function

How to Summarise Data with SUMIF()

Some of the best functions in Excel are those that help to make sense of indigestible large data sets. One function, which is great at helping turn data into insight, is SUMIF(): a powerful function that adds up numbers across categories. Imagine you are in charge of three shops selling...

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