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How to total a range of cells in Excel

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The quickest way to total a range of cells in Excel is to use the SUM function.

The Sum function is one of the most commonly used functions in Excel. The function requires the first and last cells within a list, it then includes them and every cell between them into the total. For example =SUM(C4:C10) replaces the need to enter =C4+C5+C6+C7+C8+C9+C10.

Maybe you could just create a formula to add each of the cells when there only 7 of them…but imagine if there were 7000! Yikes! That’s when the SUM function becomes an amazing tool to have in your toolbox.
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How to create basic calculations in Excel

Sharyn Baines

Being able to create basic calculations in Excel is fundamental to being able to use Excel well.

Writing Excel formulas is much the same as writing an equation. With just a little bit of instruction you will be creating basic calculations in no time! And of course, you will be able to confidently read other people’s calculations which is awesome when you want to work out what the calculation is actually doing. Continue Reading

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How to calculate GST at 15% using Excel formulas

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Post updated 18 October 2019 by Sharyn Baines

A common request I receive is to please explain how to calculate GST at 15% using Excel formulas.

You can find information on GST  (Goods and Services Tax) on the NZ Inland Revenue website. I’ve taken this a step further and put together a tutorial on how to put these calculations into Excel formulas.

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