All articles with 'homework' Tag

Here is a quick home work on excel conditional formatting. Lets say you have data as shown below to left and you need to show zebra lines whenever the value changes (see right). Your home work is simple. Just figure out how to write conditional formatting rules to add zebra lines. The data set is […]

This post builds on earlier discussion, How many hours did Johnny work? I recommend you to read that post too. Lets say you have 2 dates (with time) in cells A1 and A2 indicating starting and ending timestamps of an activity. And you want to calculate how many workings hours the task took. Further, lets […]

Today we have home work for you. You need to help Johnny figure out how many hours he worked on splitting atoms. He has crazy boss who is behind him for that timesheet. Now Johnny needs your help to write the correct formula so that he can tell his boss how many hours he worked and go home.

Go ahead and read rest of this post and tell your answers using comments. Go!

Few days back we have learned how to find if 2 sets of dates overlap using Excel Formulas. For eg. we have learned that to check whether {1 July,2010 to 23 July 2010} overlaps with the date range {15 July, 2010 to 16 August 2010}, we can use a formula like, =if(or(and(x>=a,x<=b),and(a>=x,a<=y)), “Overlap”,”Do not overlap”) […]

The other day, while doing consulting for one of my customers, I had a strange problem. My customer has data for several KPIs and she wants to display average of top 5 values in the dashboard. Now, if she wants average of all values, we can use AVERAGE() formula if she wants top 5 values […]

This column chart shows daily, weekly or monthly data depending on the user’s choice. In daily the columns are displayed properly, but in weekly & monthly mode the columns are a fraction of the width they should be – why, and how can this be avoided? Bonus points if you can describe how to use an INDIRECT formula on the x-axis labels which is another problem. Go fix it.