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Welcome to Chandoo.org – A short introduction to our site

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Welcome to Chandoo.org - an introduction

Welcome to Chandoo.org. Thank you so much for taking time to visit us.

Over the last few weeks, we have quite a few new members to the site. Its good time I said hello and introduced this site to you.

PS: If you have been following chandoo.org for a while, you can still find useful information in this post. So read on.

What is Chandoo.org?

At Chandoo.org, our goal is simple. We want you to become awesome in Excel. We emphasize the YOU part, because that is what this is all about. You & making you awesome.

How does Chandoo.org make you awesome?

Simple. We do this using 4 methods.

1. Give awesome tips, tutorials, examples & downloads

3 or 4 times every week, we write about various creative & productive ways in which you can use Excel to become awesome at what you do.

You can get these articles right in to your inbox by joining our free e-mail newsletter. Or you can subscribe to our RSS feed & read the articles in your favorite news reader.

When you join our newsletter, you also get a free e-book with 95 excel tips.

But joining my newsletter or subscribing to RSS feeds can only give you future posts. There is a ton of useful information, tutorials & tips buried in the archives of this blog. You see, we have been writing about excel for almost 5 years now.  Please check out,

Pages for Beginners for Advanced users Special Excel uses
» Excel for Beginners – Tutorials
» Learn Excel by Topic
» Excel Formula Examples
» Excel Formula Examples
» Excel Charts
» Excel Tips
» Pivot Tables
» Advanced Excel Skills
» Advanced Formulas
» Array Formulas
» Dynamic & Interactive Charts
» Excel & Productivity
» Excel Dashboards
» Excel VBA
» Project Mgmt. using Excel
» Excel Dashboards
» Financial Modeling
» Statistics & Probability
» Simulation
» Optimizing Excel
» Risk Management

And yes, grab a helmet. Because this stuff is mind-blowing.

2. Conduct awesome training programs

We conduct 5 different Excel training programs, all aimed to improve your skills & make you a hero in your office. To date, we have trained more than 3,000 professionals from all parts of the world and made them awesome in Excel.

All our programs are completely online & you can enroll at any time. You can access the training videos 24×7 and learn at a pace that works for you.

Our training programs at a glance:

Course What you get? Know more
Excel School Step by step training to make you awesome in Excel (and Dashboards). 32 hours of video classes. Clear & easy to understand explanations on all aspects of basic & advanced Excel. Click here
VBA Classes Create your VBA code & macros by going thru this well designed VBA course. Learn all day-to-day aspects of VBA with lots of examples, theory. 24 hours of video classes. Click here
Financial Modeling School Learn how to make an integrated valuation model using MS Excel. Model cash-flows, profit-loss & balance sheets in spreadsheets. Analyze valuations using scenarios. 20 hours of training. Click here
Excel for Project Managers Master the art of project management. Learn how to create gantt charts, project budgets, trackers & status reporting dashboards all using Excel. 6 modules. Click here
Excel Formula Course Write better formulas & analyze data. 6 modules on all sorts of everyday formulas. Master advanced formulas like SUMIFS, SUMPRODUCT, INDEX+MATCH, Date formulas, Text formulas. Click here

3. Sell Excel Tools to make you Awesome

We sell Excel templates for awesome project management & an e-book for learning formulas. These products are crafted with so much passion. More than 2,000 customers have bought these from us and have enhanced their productivity and became heros in front of their bosses & colleagues.

4. Run an Awesome Excel Forum

Almost 3 years ago, we started an Excel forum. It has been growing steadily and now hosts more than 5,000 discussions with 2,000+ active users. Dedicated users like Hui, Luke, SirJB7, Narayank, bobhc, Faseeh contribute regularly and answer questions with passion & kindness. It has become hidden treasure of knowledge, new ideas & learning for many. You too can join our forums & share your knowledge (or ask your questions).

Register on Chandoo.org forums
Ask a question today

Who is behind Chandoo.org?

Although started as a personal website back in 2004, after 8 years, Chandoo.org runs on a small employee force (4) and massive volunteer community.

About Chandoo

My name is Purna Duggirala. Chandoo is my nickname. I have used the same for registering this website in 2004.

After working for a few years as a business analyst with India’s leading IT company, I quit in April 2010 to make this website my full time work. You can read the back story here. Also, you are welcome to read my adventures in entrepreneurship at Startup Desi.

I am happily married to Jo, my college sweetheart and love of life. In September 2009, we became parents to twins – a boy and a girl. Nishanth (boy) & Nakshatra are as naughty, hilarious & lovable as they come. And our life is even more beautiful ever since.

We live in Vizag, a small coastal town in south east part of India. [more…]

People who help me running this site

There are many people who directly and indirectly contribute to our success. I am just mentioning the key people to keep this short.

  • Hui: contributes voluntarily to our site as a guest author (60 posts, 1,000+ comments), forum member (3,500+ posts). Lives in Perth, Australia with Eva (wife) and kids.
  • Vijay: manages our online VBA classes, contributes occasionally as guest author, forum member. Full time employee of Chandoo.org. Lives in Delhi, India with Anita (wife) and Ashwin (son).
  • Sameer: answers student questions on Excel School & VBA classes. Employee of Chandoo.org.
  • Ravindra: manages student admissions to our online courses. Helps me with phone and email answering. Full time employee of Chandoo.org. Lives in Ongloe, India.
  • Paramdeep: runs our financial modeling courses. Occasionally writes on chandoo.org. Lives in Delhi, India with wife and son.

Learn more about us & what we use to run this site.

How to use this website?

This site is awesome because you are awesome. We learn from each other, share what we know, be respectful to others & have a sense of humor. We love to make mistakes and improve every day.

The following is a best way to use this site and become awesome,

  • Join the newsletter or add this site to RSS newsreader.
  • Each article has a comments section. Make sure you read the comments and respond / ask any questions related to that topic.
  • If you want to explore and learn more, visit archives page and click on a random month. Start reading.
  • Play with downloadable excel files. Modify formulas or break the contents to understand how it works.
  • Use navigation links at the bottom of each article to see next & previous artciles.
  • Have a read of chandoo.org policies
  • Check out contact details if you want to get in touch with me.

Searching Chandoo.org

On all pages on this site, you can find a search bar at top-right corner. It has auto-complete. Start typing and you will see suggestions. We have both image & text search, so that you can quickly find what you want. All powered by magicians at Google.

Navigating Chandoo.org

Today, we have more than 1,000 articles, 20,000 comments, 25,000 forum posts and 50,000 active users of our site. All this means, we have massive information. So navigating & making sense becomes a bit difficult.

Worry not, we are working to make it easier for you. Follow the top menu links to quickly access any area of site. You can place pretty much any word next to http://chandoo.org/wp/tag/ and reach the relevant page (example: tag/dashboards, tag/charting, tag/conditional-formatting…). Check out archives to see monthly listing of all articles. Use search to find specific examples or articles you want. If nothing works, post your request on forums or email me (contact details here).

Connecting with Chandoo.org

While we are not as social as Paris Hilton, we do have a sizable presence on latest web fads. Click on below links to connect with us on your favorite social media platform.

Once again Welcome to Chandoo.org

Thank you so much for visiting our site. I wish you become awesome in not just Excel, but everything else you do.

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Excel and Power BI tips - Chandoo.org Newsletter

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Learn & be awesome.

Welcome to Chandoo.org

Thank you so much for visiting. My aim is to make you awesome in Excel & Power BI. I do this by sharing videos, tips, examples and downloads on this website. There are more than 1,000 pages with all things Excel, Power BI, Dashboards & VBA here. Go ahead and spend few minutes to be AWESOME.

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Excel formula list - 100+ examples and howto guide for you

From simple to complex, there is a formula for every occasion. Check out the list now.

Calendars, invoices, trackers and much more. All free, fun and fantastic.

Advanced Pivot Table tricks

Power Query, Data model, DAX, Filters, Slicers, Conditional formats and beautiful charts. It's all here.

Still on fence about Power BI? In this getting started guide, learn what is Power BI, how to get it and how to create your first report from scratch.

Weighted Average in Excel with Percentage Weights

Weighted Average in Excel [Formulas]

Learn how to calculate weighted averages in excel using formulas. In this article we will learn what a weighted average is and how to Excel’s SUMPRODUCT formula to calculate weighted average / weighted mean.

What is weighted average?

Wikipedia defines weighted average as, “The weighted mean is similar to an arithmetic mean …, where instead of each of the data points contributing equally to the final average, some data points contribute more than others.”

Calculating weighted averages in excel is not straight forward as there is no built-in formula. But we can use SUMPRODUCT formula to easily calculate them. Read on to find out how.

9 Responses to “Welcome to Chandoo.org – A short introduction to our site”

  1. I am the first person to comment! 🙂

    That is an awesome post Chandoo alias Purna. I always feel good about your progress 🙂 god bless you and support you to grow further. 🙂

    Keep up the good work! Definitely I am your regular reader (settled in Bangalore, India but presently residing in Jeddah, Saudi Arabia for a business trip).

    Cheers,
    Raghavan alias Saravanan M
    Jeddah | KSA 

  2. Haresh Shrimali says:

    I am watching it everyday since last 5 years. Awsome indeed.

  3. Javhaa says:

    I am watching it everyday since last 2 years.

  4. Martin says:

    Chandoo! You are always welcome in my "Inbox"..Thanks a lot

  5. Prashanth says:

    Hi Chandoo,

    I am once again glad to see your interest in introducing yourselves again to the world. 

    The way it was framed is awesome.

    By the way - i have a question for you - to enroll for  Excel for Project managers is it necessary to be able to be done with Excel school & VBA Classes. 

    Regards,
    Prashanth  

  6. Linda says:

    Chandoo, this is a great post.  I have  been following you for over two years, but this post has heaps for me.  The indexing to your various types of posts is terrific.  I will keep this as a reference to help me navigate through all the amazing information that you have on Excel.

    Linda

  7. Efraim says:

    Chandoo, I love visit your site and I would like to tell you that your work is outstanding as well as the way you share your heart and your workbooks for free with everyone who needs to learn Excel but can't do it for lack of resources. Thank you so much for everything you do.

  8. Vinay says:

    That was an wait for it...... awesome introduction to your website.
    Your open heart and personalized approach is really cool. It strikes chord.

    God Bless. Keep growing, Help growing. 

  9. raju says:

    Dear Chandoo

    Thanks for web page. I have a problem to vlook up. Suppose we are providing donation for different state of nation either once a time or more than one time as name of state. State must have repay to central government of that donation amount. In this regarding I need grand total donation amount to different state and their state wise status (outstanding donation= Dr donation- Cr donation). Please let me know how it should entry whether I want to post once in single workbook. I would be really appreciate for your kind cooperation.

    with best regards
    Raju Ghimire
    Nepal 

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