Excel Tutorials

A collection of written and video based Excel tutorials

Creating a Heat Map with Excel

A heatmap is a graphical representation of data where the individual values contained in a matrix are represented as colours. This tutorial shows you how to create one in Excel.

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Excel’s 10,000 Hour Limitation

I was recently asked why a time value divided by a number generated a #VALUE! error. The reason was because the time value was over 10,000 hours. This tutorial shows a workaround.

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VMWare, PowerMap and DirectX

When I tried to run PowerMap on Excel 2016 for Windows, running in a VM on my iMac, up popped a message telling me that my video driver may not support DirectX. Here’s how I fixed it

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