Author Archives: spreadsheetexpertblog

About spreadsheetexpertblog

Working as a computer professional since 1983, on projects varying in size from one person to multi-million pounds. Working on Excel projects since the mid 1990s.

Tables in Excel – introduction

There are two main types of table in Excel: the formal and the informal. Formal tables are part of the Excel “toolkit”. To add one, go to the Insert tab, and Table can be found in the Tables group. Both … Continue reading

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Good design – Naming

Ranges, which can be single cells or multiple cells can be named. They can make the logic of the spreadsheet easier to understand. This is useful for the initial design and for subsequent development. Named ranges are more robust, because … Continue reading

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Array Functions – Introduction

A group of six children do a test. How many achieve higher than the threshold (in the example, 15)? This is a simple example of the powerful array formulae. Don’t forget to press CTRL + SHIFT + ENTER rather than ENTER … Continue reading

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Macros: Making Excel even more capable

There are several hundred functions on Excel, which can mostly be combined to produce thousands more, but sometimes even they cannot cope with requirements. Excel’s programming language, VBA (Visual Basic for Applications) is there to help you achieve the missing capabilities, … Continue reading

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Care when using Statistical Functions in Excel (Part 1)

Excel is a powerful tool for analysing data, and as part of that has a wide range of statistical functions. However these must be used with care: the fact that Excel allows you to do something doesn’t mean it is … Continue reading

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STDEV.S vs STDEV.P observation

Excel is a very powerful product, but particularly when using statistical functions, you need to take care. One example is standard deviation, which gives information on the spread of the data. Excel allows you to do it for a sample of the … Continue reading

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Good design – introduction

Spreadsheets mean that things can be tried out very quickly; and changes and improvements made (almost) immediately. However, in a ‘mature’ spreadsheet, the only changes should be to the data, with the functionality locked down and well documented. There are … Continue reading

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