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Format Locked or Unlocked Cells

This post explores options for formatting cells that are locked, or unlocked, in an Excel worksheet. Scenario Let’s pretend we have a worksheet that helps a user compare three different loans. The user is required to enter information, such as interest rate and number of years, into designated input cells, but shouldn’t be allowed to […]


Recent CalCPA Article

How do you ensure your workbook is accurate? One approach is to set up a structured error check sheet. My recent California CPA Magazine TBRG (May 2014) article discusses the ingredients needed to build a reliable error check sheet. Here are the relevant links: Article: Put Errors in Check Sample workbook: Download Excel File  



Conditional Averages with AVERAGEIFS

The AVERAGEIFS function can compute averages for transactions that meet a set of criteria. In this post, we’ll use it to create a report by customer that ignores zero value transactions. Overview Although SUMIFS was probably the most popular multiple condition function introduced in Excel 2007, it wasn’t the only one. Microsoft released AVERAGEIFS which […]


Free Kindle Version of EU V2

To help celebrate the conclusion of the traditional busy-season, I’m pleased to announce that we are giving away free digital copies of Excel University Volume 2 on April 16, 2014. You can download the book directly from Amazon and read it with a Kindle device or with the free Kindle app. The book can be used […]




Clean up Reports with IFERROR

In the old days, we could use a combination of the IF and ISERROR functions to clean up reports. This method was good, and worked for many years…but starting with Excel 2007 there is an easier alternative. This post explores the IFERROR function. Overview The IFERROR function enables us to use a single function to […]