Excel Animation without Macros!

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Today we will learn an interesting animation technique that ONLY uses, … wait for it …, Excel Formulas. That is right, we will use simple formulas to animate values in Excel.

Intrigued? Confused? Interested?

First see these Excel animation demos:

Animated icons & fill-color

Animated Icons & Cell Fill Color in Excel - Demo

Animated In-cell Charts

Animated Incell charts - Excel

 

Click here to download the workbook with these examples.

 

What is the secret sauce behind this animation?

Take 1 portion of crushed basil leaves, 2 portions of  grounded roasted coffee beans and mix them with hot water. Add enough sugar and throw it away. 😛

Now, come back to your excel workbook and use circular references to generate the animation effect.

Understanding how Circular References & Iterative Calculation Mode work

In order to get this animation, you should be familiar with two excel magic spells – Circular References & Iterative Calculations. In simple terms,

Circular Reference: is when a cell refers to itself in the formula. For eg. in cell A1, if you write =A1+1, it is a circular reference. The reference can be both direct or in-direct (ie you can refer to cell B1, which refers to A1 again).

Iterative Calculation: If a cell has circular reference, excel can quickly go in to infinite loop (not the place where Apple is head-quartered). To avoid this, we use iterative calculation mode. When you enable this mode, excel solves the cell references only a certain number of times.

Here is an excellent guide on circular references.

How to enable iterative calculation mode?

Simple, go to Excel options > Formulas and then select iterative mode. Change the number of iterations to a large value (so that we can see some animation). Like this:Enable Iterative Calculation mode to get Circular References work

How to use Circular References & Iterative Mode for Animation?

It doesn’t take a lot of coffee to conclude that using circular references & iterative mode of calculation, we can increment a cell value from 1 to 100 (or 4000, if you fancy).

Assuming you want to increment the value in A1 from 0 to 100, and A2 is used to control the animation (ie if you type “Yes” in a2, only then we increment the values).

In cell A1, we write =IF(A2=”yes”,IF(A1>=100,A1,A1+1),0)

If iterative mode is enabled, when you enter yes in cell A2, you can see the value in A1 going from 0 to 100, very fast.

Now, if you change the formula to =IF(A2=”yes”,IF(A1>=4000,A1,A1+1),0), you can see the cell value in A1 going up from 0 to 4,000 in a few seconds.

But, what about animation?!?

Now that we have the cell A1 changing its value when we want, we just need to link this with conditional formatting to get some magic.

For eg. you  can apply conditional formatting on A1 with the following rule to change cell color as the value increases.

Conditional Formatting Color Scale Settings for Animation

Similarly, you can use the value in A1 to draw in-cell charts that grow as the value changes in A1.

Just let your imagination run wild.

Where can you use such animation?

Animation is a powerful attention grabber. I think you can use this type of animation in dashboards to display alerts. For eg. you can highlight portions of dashboard that changed when a different product (or month) is selected.

That said, I strongly recommend against overuse of animation effects. They can quickly become annoying. Not to mention, they are cumbersome to maintain (and add little value).

What are the limitations of Circular Reference based animation?

  • You must enable iterative mode of calculation.
  • This doesn’t work with charts. Excel charts do not pick up cell values unless the calculation is finished. So you cannot plug values in to charts to expect animated charts. If you are curious to build one, see Daniel’s animated business charts example.
  • This can slowdown your workbook: Whenever you run the animation, excel is going to do thousands of calculations and this will slowdown your workbook.

Download Excel Animation Workbook

I have put together a simple workbook showcasing several examples of this technique. Download and play with it.

Excel 2007 link | Excel 2003 link

(Make sure you have turned on the iterative mode.)

Do you find this technique interesting?

To be frank, I find this technique more amusing than useful. But I wrote about it anyway as it shows what is possible with excel. It can be useful in situations where there is too much information and you need to call users attention to something.

What about you? Do you see any practical applications for this technique? Share your ideas and opinions thru comments.

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28 Responses to “2010 Calendar – Excel Template [Downloads]”

  1. [...] Download and print the calendars today. You can add notes to individual dates or complete … [...] Uni Ego / Free 2010 Calendar – Download and Print Year 2010 Calendar today [...]

  2. William says:

    Afternoon,

    I have one similar calander that I added conditional formatting to so that I could highlight any planned factory holidays. I think i "borrowed" the formula from another calander so I won't post it here.

    I also added week numbers to it using the formula =WEEKNUM(MAX(C6:I6)) Where C6:I6 is the range of dates in that give week. It works fine on most of the months but return strange values on other months (Week 6 in October?) I can't see any logic behind why it does this.
    Any suggestions for an alternative formula to give the week numbers?

    Regards,

    William

  3. Miguel says:

    Hi Chandoo,
    I've added a new feature on your spreadsheet.
    This control can be useful for all the sheets where you need to check dates.

    Cheers

    http://cid-69a78592a23a8438.skydrive.live.com/self.aspx/.Public/2010-calendar%5E_Miguel.xls

  4. Nimesh says:

    Hi Chandoo,

    Nice calendar.
    Till now whichever calendar I saw in Excel, it contained only the outline sheet.
    Good to see monthly views and the mini view too.
    Liked the mini view much. 🙂

    -Nimesh

  5. Chandoo says:

    @William: This weeknum may be because the input dates to max are not properly formatting as excel dates.

    Good tip on the conditional formatting and holidays btw...

    @Migueal: Now that is super awesome. This is the reason why I love to blog. Readers will always one up me with such cool alternatives. Thank you for sharing this with us.

    @Nimesh: You are welcome 🙂

  6. Shish says:

    is it possible to get the Notes section on the outline page to display the notes added to the month page for a specific date?

    So if you add thing for January 2nd, and then select January 2nd those notes appear on the outline page

  7. Chandoo says:

    @Shish... You can do that using some formula magic. I would not recommend pushing excel to that as outlook / google calendar / icalc etc. do exactly that much more elegantly.

  8. Jörg says:

    Happy christmas to all of you!
    This is really awesome. The nicest calender I've seen for Excel. I also like Miguels version of the sheet.

    Just one "feature" is missing to me. As I live in Germany - where weeks start on Monday - I'd like to change this. Could someone please give me a hint how to do this?

    Thanks in advance

    Jörg

  9. Pedro says:

    Hi Chandoo, I’ve added some new features on your spreadsheet with your permission.

    Check it here:
    http://cid-6b219f16da7128e3.skydrive.live.com/self.aspx/.Public/Calendar%5E_Pedro.xlsm

    Miguel, this calendar is translated to Spanish language.

    Jörg, this new approach allows us to start weeks on Monday.

    Also it's possible to start weeks on Sunday if you enable Excel macros and push the arrows.
    Best Regards,
    Pedro.

  10. Chandoo says:

    @Pedro.. superb stuff.. thanks for sharing the file with all of us.

  11. Pedro says:

    Hi Chandoo, for dates before March 1, 1900 our calendars are wrong.
    In Microsoft Excel, DATE, EOMONTH, WEEKDAY functions return an incorrect result between Monday, January 1, 1900 and Wednesday, February 28, 1900.
    See this page: http://support.microsoft.com/kb/214326/en-us/
    Microsoft Excel incorrectly assumes that the year 1900 is a leap year in all Excel versions.
    That's the reason why our calendar versions only work from March, 1, 1900 until December, 31, 9999.
    Your comments are welcome.
    Pedro.

  12. Chandoo says:

    @Pedro.. Thanks for pointing that out. wow... This reminds me of the Joel Spolsky's first BillG review - http://www.joelonsoftware.com/items/2006/06/16.html (read it, I am sure you would love it.) when Bill out of blue asks about date time implementations for VBA (which Joel is the program manager for...)

    Thanks for sharing the URL too... Here is a specially made, chocolate sprinkled, extra fluffy donut for you 🙂

  13. Pedro says:

    Hi Chandoo, thanks a lot for the donut but I prefer it without chocolate!

    Always it's good to know a little history of Excel.
    The Joel Spolsky’s last BillG Excel review was about the "Hall of Tortured Souls"
    (See this Excel 95 Easter Egg here: http://www.eeggs.com/items/719.html)

    Do not miss the humor!

  14. Pedro says:

    @Chandoo.. I just return with a new calendar version.
    http://cid-6b219f16da7128e3.skydrive.live.com/self.aspx/.Public/calendar-pedrowave.xltx

    It helped me to practice conditional formatting, formulas to show check boxes, data validation drop down list, find out Thanksgiving Day's date for any year, how to find dates of public holidays using Excel, all reading your wonderful posts!

  15. Pedro says:

    Perpetual Calendar Spanish version starting weeks on Monday:
    http://cid-6b219f16da7128e3.skydrive.live.com/self.aspx/.Public/calendario-pedrowave.xltx
    Main characteristics:
    - Not macros.
    - Select a year from 1900 to 9999 with a dropdown listbox.
    - All date fields with the real date format.
    - Easy language change of day of the week and month names because are also dates.
    - Hide Saturdays and/or Sundays.
    - Week starting on Sunday or Monday.
    - Week and month numbers.
    - Hyperlink between sheets.
    - Consistent colors to Holidays, Diary and Events dates.
    - Easy change of Holidays by country.
    - Include 80 World Days and you can add more.
    - A diary with my birthday and 50 more programable appointments.
    - Check box to hide individual dates or all.
    - Holidays, diary and events text are showed on each month's sheet.
    - Ranges defined with Name Manager variables.
    I'll appreciate if you make me some suggestions to improve this calendar.
    Pedro.

  16. Joco1114 says:

    Please, I need help!
    I like all calendar from Pedro, thank you for them. Let me show my problem:

    I have 2 excel cells (for example AE12 and AE13) which mean the starting and the ending date of my duty. I need a macro to insert sheets with label YEAR. MONTH (for example 2010. August or similar) with the proper datas between the two dates. Is it possible?

    Thank you for reading me and sorry about my terribel english! 🙂

  17. Peter says:

    Hello Pedro,

    Thanks so much for the modified calendar template. I love the extra functionality you added. Is there any way you could upload an unlocked version? I wanted to change some of the comments and data validation so I could use it for one of my applications.

    As for feedback on potential improvements, with all the additions you made the file runs pretty slow. I'm sure this has to do with all the interconnectivity between the various tabs, but if there is a way to use less memory via more efficient formulas or something else I think this would make it easier to use. I have a brand new computer and with it running alone the response was pretty slow. One of the changes I'm making is changing the order of the months to match my company's fiscal year, so maybe something to automate a change like that could be useful.

    Cheers,

    Peter

  18. Pedro Wave says:

    Peter, my calendars are unlocked but you need Excel 2007 and 2010 versions to open them.

    Now I return with a new Programmable Task Calendar:
    http://cid-6b219f16da7128e3.office.live.com/view.aspx/.Public/Calendario%20de%20Tareas.xlsx

    Wath an introductory video here:
    http://pedrowave.blogspot.com/2010/10/programmable-task-calendar.html

    This new calendar allows to select the start month to match the school and fiscal year.

  19. ASA says:

    This is great stuff Chandoo and company

    Wanted to know if someone had built something similar

    I need to store one Excel Sheet on this calendar that has all the holidays

    US Holidays appear in RED
    UK Holidays appear in Blue
    Meetings appear in Green
    Submissions appear in Orange

    Is there a way I can store the list in a separate worksheet and all the calendars get updated with this?

    Thanks

  20. divya says:

    please tell me "how to convert Rs.10000/- in to words through excel formula

  21. [...] is all! http://chandoo.org/wp/2009/12/11/2010-calendar-excel-template-downloads/ See more Templates at http://www.vertex42.com/ Share this:Like this:LikeBe the first to like this [...]

  22. Kerisa says:

    Greetings,

    Thanks for this wonderful excel vacation tracker. I notice that the tracker only has three months November, December and January 2015, however, I would like to add the other ten months for 2014. Can you please instruct me on how I can add the other months?
    Thanking you in advance.

  23. kanu bhatia says:

    Hi Chandoo,
    Calendar: can this be printed as single sheet 8.5x11 inch per month
    kanu

  24. Rahul says:

    WOW! I just searching some of like this, that help me.
    Thank you for sharing.

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