Comparing Lists of Values in Excel using Array Formulas
Last week, we had a home work on Calculating Donation Summaries using Excel Formulas. This is a good case where array formulas can help us. So today, we will learn how we can use Array Formulas to compare lists of values and calculate summaries. Towards the end of this post, you can see a video that explains the solution to Donation Summary Calculation problem.
Amount Donated vs. Pledged [Excel Formula Homework]
We have some home work folks! Today, lets test your Excel formula skills by giving some data related to a fund.
The problem:
You manage a fund for a non-profit. You have donors who pledge certain amount at the start of the year. As you go thru the year, the donors donate money to your fund. At the end of the year, you have a table like above. And you need to summarize the fund’s performance by calculating various statistics.
Go
Advanced Sumproduct Queries
How often have you had a simple table where you want to lookup a value or add up some values meeting a criteria?
This post looks at a simple way to do a 2D Lookup or 2D Sum of a values from within a 2D range with multiple criteria, without complex Sum, Offset, Index, Match, Sumifs or other functions, simply using Sumproduct
Calculating Sum of Digits in a Number using Array Formulas [for fun]
Here is a fun formula to write.
Given a number in cell, I want you to find the sum of digits in it. So, for eg. if you have the number 3584398594 in a cell, the sum would be =3+5+8+4+3+9+8+5+9+4, equal to 58.
Now, how would you write a formula to find this sum automatically based on the number entered in the cell?
Go ahead and figure it out. If you can, come back and check your answer with mine below.
Excel Challenge #1 – Make Nuts without Going Nuts
We have a new series on chandoo.org. – Excel Challenges. From now, every 1-2 months, I will post an interesting Excel Challenge. These are tricky problems for which elegant solutions should be found. To keep the challenges exciting, we will have a small prize for a winner (if more people answer correctly, we pick one randomly)
Excel Challenge #1 – Find Overlaps in Machine Schedule Dates
We have an Excel Table, with the following data (snapshot above). You need to write formulas to display Ok or Not Ok in the adjacent column based on the following criteria:
1. Display Ok if the scheduling dates for that row do not overlap with remaining scheduling dates for that machine
2. Display Not Ok otherwise.
Using Array Formulas to check if a list is sorted.
Today, we will learn an interesting array formula trick to test if a list is sorted or not. During last one week, I got 2 requests from different clients for some excel related work. Both of them had one thing in common. To test whether a list is sorted or not. So I got thinking, […]
2011 Calendar – Excel Template [Downloads]
Here is a 2011 new year gift to all our readers – a free 2011 calendar template.
(a little secret: just change the year in worksheet “Full” from 2011 to 2012 to get the next year’s calendar. It works all the way up to year 9999)
You can add notes to individual dates or complete month using the excel template very easily. There are 6 different calendar templates in the download file,
* 4 Yearly Calendar Templates with different color schemes.
* 1 Mini Calendar
* 1 Monthly Calendar (prints in 12 pages)
Go ahead and download the calendar files. Enjoy.